Home / 78,456.11-108,265.86-44,462.61

Finding the Fourth Proportional to 78,456.11, 108,265.86 and 44,462.61

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Solution

The fourth proportional to 78,456.11, 108,265.86 and 44,462.61 is: 61,356.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,456.11 : 108,265.86 = 44,462.61 : x
  2. Step 2: Convert to fraction form
    78,456.11/108,265.86 = 44,462.61/x
  3. Step 3: Cross multiply
    78,456.11x = 108,265.86 × 44,462.61
  4. Step 4: Simplify right side
    78,456.11x = 4,813,782,709.49
  5. Step 5: Solve for x
    x = 4,813,782,709.49/78,456.11
  6. Step 6: Final answer
    x = 61,356.38

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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.