Home / 61,379.28-92,155.08-31,414.92

Finding the Fourth Proportional to 61,379.28, 92,155.08 and 31,414.92

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Solution

The fourth proportional to 61,379.28, 92,155.08 and 31,414.92 is: 47,166.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,379.28 : 92,155.08 = 31,414.92 : x
  2. Step 2: Convert to fraction form
    61,379.28/92,155.08 = 31,414.92/x
  3. Step 3: Cross multiply
    61,379.28x = 92,155.08 × 31,414.92
  4. Step 4: Simplify right side
    61,379.28x = 2,895,044,465.79
  5. Step 5: Solve for x
    x = 2,895,044,465.79/61,379.28
  6. Step 6: Final answer
    x = 47,166.48

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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.