Home / 125,094.24-172,613.70-71,375.76

Finding the Fourth Proportional to 125,094.24, 172,613.70 and 71,375.76

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Solution

The fourth proportional to 125,094.24, 172,613.70 and 71,375.76 is: 98,489.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    125,094.24 : 172,613.70 = 71,375.76 : x
  2. Step 2: Convert to fraction form
    125,094.24/172,613.70 = 71,375.76/x
  3. Step 3: Cross multiply
    125,094.24x = 172,613.70 × 71,375.76
  4. Step 4: Simplify right side
    125,094.24x = 12,320,434,023.91
  5. Step 5: Solve for x
    x = 12,320,434,023.91/125,094.24
  6. Step 6: Final answer
    x = 98,489.22

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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.