Home / 48,108.76-66,346.62-30,205.72

Finding the Fourth Proportional to 48,108.76, 66,346.62 and 30,205.72

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Solution

The fourth proportional to 48,108.76, 66,346.62 and 30,205.72 is: 41,656.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,108.76 : 66,346.62 = 30,205.72 : x
  2. Step 2: Convert to fraction form
    48,108.76/66,346.62 = 30,205.72/x
  3. Step 3: Cross multiply
    48,108.76x = 66,346.62 × 30,205.72
  4. Step 4: Simplify right side
    48,108.76x = 2,004,047,426.67
  5. Step 5: Solve for x
    x = 2,004,047,426.67/48,108.76
  6. Step 6: Final answer
    x = 41,656.60

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Double scale
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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.