Home / 57,117.52-78,822.36-31,966.96

Finding the Fourth Proportional to 57,117.52, 78,822.36 and 31,966.96

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Solution

The fourth proportional to 57,117.52, 78,822.36 and 31,966.96 is: 44,114.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,117.52 : 78,822.36 = 31,966.96 : x
  2. Step 2: Convert to fraction form
    57,117.52/78,822.36 = 31,966.96/x
  3. Step 3: Cross multiply
    57,117.52x = 78,822.36 × 31,966.96
  4. Step 4: Simplify right side
    57,117.52x = 2,519,711,229.23
  5. Step 5: Solve for x
    x = 2,519,711,229.23/57,117.52
  6. Step 6: Final answer
    x = 44,114.51

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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.