Home / 66,641.22-99,892.17-31,539.06

Finding the Fourth Proportional to 66,641.22, 99,892.17 and 31,539.06

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Solution

The fourth proportional to 66,641.22, 99,892.17 and 31,539.06 is: 47,275.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,641.22 : 99,892.17 = 31,539.06 : x
  2. Step 2: Convert to fraction form
    66,641.22/99,892.17 = 31,539.06/x
  3. Step 3: Cross multiply
    66,641.22x = 99,892.17 × 31,539.06
  4. Step 4: Simplify right side
    66,641.22x = 3,150,505,143.16
  5. Step 5: Solve for x
    x = 3,150,505,143.16/66,641.22
  6. Step 6: Final answer
    x = 47,275.62

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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.