Home / 87,542.64-131,301.54-49,980.78

Finding the Fourth Proportional to 87,542.64, 131,301.54 and 49,980.78

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Solution

The fourth proportional to 87,542.64, 131,301.54 and 49,980.78 is: 74,964.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,542.64 : 131,301.54 = 49,980.78 : x
  2. Step 2: Convert to fraction form
    87,542.64/131,301.54 = 49,980.78/x
  3. Step 3: Cross multiply
    87,542.64x = 131,301.54 × 49,980.78
  4. Step 4: Simplify right side
    87,542.64x = 6,562,553,384.40
  5. Step 5: Solve for x
    x = 6,562,553,384.40/87,542.64
  6. Step 6: Final answer
    x = 74,964.08

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.