Home / 48,225.88-66,555.21-29,110.30

Finding the Fourth Proportional to 48,225.88, 66,555.21 and 29,110.30

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Solution

The fourth proportional to 48,225.88, 66,555.21 and 29,110.30 is: 40,174.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,225.88 : 66,555.21 = 29,110.30 : x
  2. Step 2: Convert to fraction form
    48,225.88/66,555.21 = 29,110.30/x
  3. Step 3: Cross multiply
    48,225.88x = 66,555.21 × 29,110.30
  4. Step 4: Simplify right side
    48,225.88x = 1,937,442,129.66
  5. Step 5: Solve for x
    x = 1,937,442,129.66/48,225.88
  6. Step 6: Final answer
    x = 40,174.32

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.