Home / 90,097.73-124,323.92-49,805.90

Finding the Fourth Proportional to 90,097.73, 124,323.92 and 49,805.90

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Solution

The fourth proportional to 90,097.73, 124,323.92 and 49,805.90 is: 68,726.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,097.73 : 124,323.92 = 49,805.90 : x
  2. Step 2: Convert to fraction form
    90,097.73/124,323.92 = 49,805.90/x
  3. Step 3: Cross multiply
    90,097.73x = 124,323.92 × 49,805.90
  4. Step 4: Simplify right side
    90,097.73x = 6,192,063,856.48
  5. Step 5: Solve for x
    x = 6,192,063,856.48/90,097.73
  6. Step 6: Final answer
    x = 68,726.08

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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.