Home / 90,842.02-125,375.24-54,545.92

Finding the Fourth Proportional to 90,842.02, 125,375.24 and 54,545.92

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Solution

The fourth proportional to 90,842.02, 125,375.24 and 54,545.92 is: 75,281.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,842.02 : 125,375.24 = 54,545.92 : x
  2. Step 2: Convert to fraction form
    90,842.02/125,375.24 = 54,545.92/x
  3. Step 3: Cross multiply
    90,842.02x = 125,375.24 × 54,545.92
  4. Step 4: Simplify right side
    90,842.02x = 6,838,707,811.02
  5. Step 5: Solve for x
    x = 6,838,707,811.02/90,842.02
  6. Step 6: Final answer
    x = 75,281.33

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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.