Home / 57,123.92-85,706.40-25,531.36

Finding the Fourth Proportional to 57,123.92, 85,706.40 and 25,531.36

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Solution

The fourth proportional to 57,123.92, 85,706.40 and 25,531.36 is: 38,306.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,123.92 : 85,706.40 = 25,531.36 : x
  2. Step 2: Convert to fraction form
    57,123.92/85,706.40 = 25,531.36/x
  3. Step 3: Cross multiply
    57,123.92x = 85,706.40 × 25,531.36
  4. Step 4: Simplify right side
    57,123.92x = 2,188,200,952.70
  5. Step 5: Solve for x
    x = 2,188,200,952.70/57,123.92
  6. Step 6: Final answer
    x = 38,306.21

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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.