Home / 83,113.23-124,680.60-38,123.73

Finding the Fourth Proportional to 83,113.23, 124,680.60 and 38,123.73

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Solution

The fourth proportional to 83,113.23, 124,680.60 and 38,123.73 is: 57,190.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,113.23 : 124,680.60 = 38,123.73 : x
  2. Step 2: Convert to fraction form
    83,113.23/124,680.60 = 38,123.73/x
  3. Step 3: Cross multiply
    83,113.23x = 124,680.60 × 38,123.73
  4. Step 4: Simplify right side
    83,113.23x = 4,753,289,530.64
  5. Step 5: Solve for x
    x = 4,753,289,530.64/83,113.23
  6. Step 6: Final answer
    x = 57,190.53

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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.