Home / 87,373.08-120,590.37-51,560.55

Finding the Fourth Proportional to 87,373.08, 120,590.37 and 51,560.55

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Solution

The fourth proportional to 87,373.08, 120,590.37 and 51,560.55 is: 71,162.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,373.08 : 120,590.37 = 51,560.55 : x
  2. Step 2: Convert to fraction form
    87,373.08/120,590.37 = 51,560.55/x
  3. Step 3: Cross multiply
    87,373.08x = 120,590.37 × 51,560.55
  4. Step 4: Simplify right side
    87,373.08x = 6,217,705,801.90
  5. Step 5: Solve for x
    x = 6,217,705,801.90/87,373.08
  6. Step 6: Final answer
    x = 71,162.72

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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.