Home / 87,397.04-131,226.84-49,999.34

Finding the Fourth Proportional to 87,397.04, 131,226.84 and 49,999.34

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Solution

The fourth proportional to 87,397.04, 131,226.84 and 49,999.34 is: 75,074.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,397.04 : 131,226.84 = 49,999.34 : x
  2. Step 2: Convert to fraction form
    87,397.04/131,226.84 = 49,999.34/x
  3. Step 3: Cross multiply
    87,397.04x = 131,226.84 × 49,999.34
  4. Step 4: Simplify right side
    87,397.04x = 6,561,255,390.29
  5. Step 5: Solve for x
    x = 6,561,255,390.29/87,397.04
  6. Step 6: Final answer
    x = 75,074.11

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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.