Home / 52,390.38-72,294.86-31,165.68

Finding the Fourth Proportional to 52,390.38, 72,294.86 and 31,165.68

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Solution

The fourth proportional to 52,390.38, 72,294.86 and 31,165.68 is: 43,006.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,390.38 : 72,294.86 = 31,165.68 : x
  2. Step 2: Convert to fraction form
    52,390.38/72,294.86 = 31,165.68/x
  3. Step 3: Cross multiply
    52,390.38x = 72,294.86 × 31,165.68
  4. Step 4: Simplify right side
    52,390.38x = 2,253,118,472.40
  5. Step 5: Solve for x
    x = 2,253,118,472.40/52,390.38
  6. Step 6: Final answer
    x = 43,006.34

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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.