Home / 91,066.20-125,691.48-59,179.68

Finding the Fourth Proportional to 91,066.20, 125,691.48 and 59,179.68

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Solution

The fourth proportional to 91,066.20, 125,691.48 and 59,179.68 is: 81,681.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,066.20 : 125,691.48 = 59,179.68 : x
  2. Step 2: Convert to fraction form
    91,066.20/125,691.48 = 59,179.68/x
  3. Step 3: Cross multiply
    91,066.20x = 125,691.48 × 59,179.68
  4. Step 4: Simplify right side
    91,066.20x = 7,438,381,565.13
  5. Step 5: Solve for x
    x = 7,438,381,565.13/91,066.20
  6. Step 6: Final answer
    x = 81,681.04

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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.