Home / 81,337.02-112,229.15-51,104.84

Finding the Fourth Proportional to 81,337.02, 112,229.15 and 51,104.84

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Solution

The fourth proportional to 81,337.02, 112,229.15 and 51,104.84 is: 70,514.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,337.02 : 112,229.15 = 51,104.84 : x
  2. Step 2: Convert to fraction form
    81,337.02/112,229.15 = 51,104.84/x
  3. Step 3: Cross multiply
    81,337.02x = 112,229.15 × 51,104.84
  4. Step 4: Simplify right side
    81,337.02x = 5,735,451,937.42
  5. Step 5: Solve for x
    x = 5,735,451,937.42/81,337.02
  6. Step 6: Final answer
    x = 70,514.66

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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.