Home / 80,545.76-111,150.10-44,738.08

Finding the Fourth Proportional to 80,545.76, 111,150.10 and 44,738.08

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Solution

The fourth proportional to 80,545.76, 111,150.10 and 44,738.08 is: 61,736.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,545.76 : 111,150.10 = 44,738.08 : x
  2. Step 2: Convert to fraction form
    80,545.76/111,150.10 = 44,738.08/x
  3. Step 3: Cross multiply
    80,545.76x = 111,150.10 × 44,738.08
  4. Step 4: Simplify right side
    80,545.76x = 4,972,642,065.81
  5. Step 5: Solve for x
    x = 4,972,642,065.81/80,545.76
  6. Step 6: Final answer
    x = 61,736.86

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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.