Home / 79,545.40-109,772.66-43,737.82

Finding the Fourth Proportional to 79,545.40, 109,772.66 and 43,737.82

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Solution

The fourth proportional to 79,545.40, 109,772.66 and 43,737.82 is: 60,358.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,545.40 : 109,772.66 = 43,737.82 : x
  2. Step 2: Convert to fraction form
    79,545.40/109,772.66 = 43,737.82/x
  3. Step 3: Cross multiply
    79,545.40x = 109,772.66 × 43,737.82
  4. Step 4: Simplify right side
    79,545.40x = 4,801,216,678.91
  5. Step 5: Solve for x
    x = 4,801,216,678.91/79,545.40
  6. Step 6: Final answer
    x = 60,358.20

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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.