Home / 107,385.80-148,195.86-59,639.72

Finding the Fourth Proportional to 107,385.80, 148,195.86 and 59,639.72

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Solution

The fourth proportional to 107,385.80, 148,195.86 and 59,639.72 is: 82,304.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,385.80 : 148,195.86 = 59,639.72 : x
  2. Step 2: Convert to fraction form
    107,385.80/148,195.86 = 59,639.72/x
  3. Step 3: Cross multiply
    107,385.80x = 148,195.86 × 59,639.72
  4. Step 4: Simplify right side
    107,385.80x = 8,838,359,595.56
  5. Step 5: Solve for x
    x = 8,838,359,595.56/107,385.80
  6. Step 6: Final answer
    x = 82,304.73

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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.