Home / 80,437.50-111,006.72-48,600.25

Finding the Fourth Proportional to 80,437.50, 111,006.72 and 48,600.25

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Solution

The fourth proportional to 80,437.50, 111,006.72 and 48,600.25 is: 67,070.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,437.50 : 111,006.72 = 48,600.25 : x
  2. Step 2: Convert to fraction form
    80,437.50/111,006.72 = 48,600.25/x
  3. Step 3: Cross multiply
    80,437.50x = 111,006.72 × 48,600.25
  4. Step 4: Simplify right side
    80,437.50x = 5,394,953,545.65
  5. Step 5: Solve for x
    x = 5,394,953,545.65/80,437.50
  6. Step 6: Final answer
    x = 67,070.13

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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.