Home / 51,090.32-76,635.51-14,154.32

Finding the Fourth Proportional to 51,090.32, 76,635.51 and 14,154.32

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Solution

The fourth proportional to 51,090.32, 76,635.51 and 14,154.32 is: 21,231.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,090.32 : 76,635.51 = 14,154.32 : x
  2. Step 2: Convert to fraction form
    51,090.32/76,635.51 = 14,154.32/x
  3. Step 3: Cross multiply
    51,090.32x = 76,635.51 × 14,154.32
  4. Step 4: Simplify right side
    51,090.32x = 1,084,723,531.90
  5. Step 5: Solve for x
    x = 1,084,723,531.90/51,090.32
  6. Step 6: Final answer
    x = 21,231.49

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.