Home / 87,966.04-121,391.54-50,235.16

Finding the Fourth Proportional to 87,966.04, 121,391.54 and 50,235.16

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Solution

The fourth proportional to 87,966.04, 121,391.54 and 50,235.16 is: 69,323.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,966.04 : 121,391.54 = 50,235.16 : x
  2. Step 2: Convert to fraction form
    87,966.04/121,391.54 = 50,235.16/x
  3. Step 3: Cross multiply
    87,966.04x = 121,391.54 × 50,235.16
  4. Step 4: Simplify right side
    87,966.04x = 6,098,123,434.55
  5. Step 5: Solve for x
    x = 6,098,123,434.55/87,966.04
  6. Step 6: Final answer
    x = 69,323.61

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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.