Home / 83,387.00-125,080.23-64,439.15

Finding the Fourth Proportional to 83,387.00, 125,080.23 and 64,439.15

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Solution

The fourth proportional to 83,387.00, 125,080.23 and 64,439.15 is: 96,658.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,387.00 : 125,080.23 = 64,439.15 : x
  2. Step 2: Convert to fraction form
    83,387.00/125,080.23 = 64,439.15/x
  3. Step 3: Cross multiply
    83,387.00x = 125,080.23 × 64,439.15
  4. Step 4: Simplify right side
    83,387.00x = 8,060,063,319.25
  5. Step 5: Solve for x
    x = 8,060,063,319.25/83,387.00
  6. Step 6: Final answer
    x = 96,658.51

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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.