Home / 87,443.55-131,158.04-52,357.59

Finding the Fourth Proportional to 87,443.55, 131,158.04 and 52,357.59

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Solution

The fourth proportional to 87,443.55, 131,158.04 and 52,357.59 is: 78,532.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,443.55 : 131,158.04 = 52,357.59 : x
  2. Step 2: Convert to fraction form
    87,443.55/131,158.04 = 52,357.59/x
  3. Step 3: Cross multiply
    87,443.55x = 131,158.04 × 52,357.59
  4. Step 4: Simplify right side
    87,443.55x = 6,867,118,621.74
  5. Step 5: Solve for x
    x = 6,867,118,621.74/87,443.55
  6. Step 6: Final answer
    x = 78,532.02

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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.