Home / 71,062.91-98,066.94-39,231.86

Finding the Fourth Proportional to 71,062.91, 98,066.94 and 39,231.86

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Solution

The fourth proportional to 71,062.91, 98,066.94 and 39,231.86 is: 54,140.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,062.91 : 98,066.94 = 39,231.86 : x
  2. Step 2: Convert to fraction form
    71,062.91/98,066.94 = 39,231.86/x
  3. Step 3: Cross multiply
    71,062.91x = 98,066.94 × 39,231.86
  4. Step 4: Simplify right side
    71,062.91x = 3,847,348,460.71
  5. Step 5: Solve for x
    x = 3,847,348,460.71/71,062.91
  6. Step 6: Final answer
    x = 54,140.04

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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.