Home / 90,022.52-124,229.56-49,737.96

Finding the Fourth Proportional to 90,022.52, 124,229.56 and 49,737.96

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Solution

The fourth proportional to 90,022.52, 124,229.56 and 49,737.96 is: 68,637.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,022.52 : 124,229.56 = 49,737.96 : x
  2. Step 2: Convert to fraction form
    90,022.52/124,229.56 = 49,737.96/x
  3. Step 3: Cross multiply
    90,022.52x = 124,229.56 × 49,737.96
  4. Step 4: Simplify right side
    90,022.52x = 6,178,924,886.10
  5. Step 5: Solve for x
    x = 6,178,924,886.10/90,022.52
  6. Step 6: Final answer
    x = 68,637.55

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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.