Home / 91,871.71-126,812.68-59,549.29

Finding the Fourth Proportional to 91,871.71, 126,812.68 and 59,549.29

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Solution

The fourth proportional to 91,871.71, 126,812.68 and 59,549.29 is: 82,197.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,871.71 : 126,812.68 = 59,549.29 : x
  2. Step 2: Convert to fraction form
    91,871.71/126,812.68 = 59,549.29/x
  3. Step 3: Cross multiply
    91,871.71x = 126,812.68 × 59,549.29
  4. Step 4: Simplify right side
    91,871.71x = 7,551,605,057.00
  5. Step 5: Solve for x
    x = 7,551,605,057.00/91,871.71
  6. Step 6: Final answer
    x = 82,197.28

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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.