Home / 57,123.73-85,703.11-25,560.36

Finding the Fourth Proportional to 57,123.73, 85,703.11 and 25,560.36

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Solution

The fourth proportional to 57,123.73, 85,703.11 and 25,560.36 is: 38,348.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,123.73 : 85,703.11 = 25,560.36 : x
  2. Step 2: Convert to fraction form
    57,123.73/85,703.11 = 25,560.36/x
  3. Step 3: Cross multiply
    57,123.73x = 85,703.11 × 25,560.36
  4. Step 4: Simplify right side
    57,123.73x = 2,190,602,344.72
  5. Step 5: Solve for x
    x = 2,190,602,344.72/57,123.73
  6. Step 6: Final answer
    x = 38,348.38

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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.