Home / 87,393.32-120,613.02-49,673.24

Finding the Fourth Proportional to 87,393.32, 120,613.02 and 49,673.24

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Solution

The fourth proportional to 87,393.32, 120,613.02 and 49,673.24 is: 68,554.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,393.32 : 120,613.02 = 49,673.24 : x
  2. Step 2: Convert to fraction form
    87,393.32/120,613.02 = 49,673.24/x
  3. Step 3: Cross multiply
    87,393.32x = 120,613.02 × 49,673.24
  4. Step 4: Simplify right side
    87,393.32x = 5,991,239,489.58
  5. Step 5: Solve for x
    x = 5,991,239,489.58/87,393.32
  6. Step 6: Final answer
    x = 68,554.89

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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.