Home / 90,282.87-124,594.07-49,995.90

Finding the Fourth Proportional to 90,282.87, 124,594.07 and 49,995.90

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Solution

The fourth proportional to 90,282.87, 124,594.07 and 49,995.90 is: 68,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,282.87 : 124,594.07 = 49,995.90 : x
  2. Step 2: Convert to fraction form
    90,282.87/124,594.07 = 49,995.90/x
  3. Step 3: Cross multiply
    90,282.87x = 124,594.07 × 49,995.90
  4. Step 4: Simplify right side
    90,282.87x = 6,229,192,414.33
  5. Step 5: Solve for x
    x = 6,229,192,414.33/90,282.87
  6. Step 6: Final answer
    x = 68,996.39

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Double scale
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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.