Home / 87,841.38-121,220.24-47,554.08

Finding the Fourth Proportional to 87,841.38, 121,220.24 and 47,554.08

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Solution

The fourth proportional to 87,841.38, 121,220.24 and 47,554.08 is: 65,624.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,841.38 : 121,220.24 = 47,554.08 : x
  2. Step 2: Convert to fraction form
    87,841.38/121,220.24 = 47,554.08/x
  3. Step 3: Cross multiply
    87,841.38x = 121,220.24 × 47,554.08
  4. Step 4: Simplify right side
    87,841.38x = 5,764,516,990.58
  5. Step 5: Solve for x
    x = 5,764,516,990.58/87,841.38
  6. Step 6: Final answer
    x = 65,624.16

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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.