Home / 80,545.49-111,149.69-44,737.79

Finding the Fourth Proportional to 80,545.49, 111,149.69 and 44,737.79

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Solution

The fourth proportional to 80,545.49, 111,149.69 and 44,737.79 is: 61,736.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,545.49 : 111,149.69 = 44,737.79 : x
  2. Step 2: Convert to fraction form
    80,545.49/111,149.69 = 44,737.79/x
  3. Step 3: Cross multiply
    80,545.49x = 111,149.69 × 44,737.79
  4. Step 4: Simplify right side
    80,545.49x = 4,972,590,710.35
  5. Step 5: Solve for x
    x = 4,972,590,710.35/80,545.49
  6. Step 6: Final answer
    x = 61,736.43

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1.5x scale

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.