Home / 80,665.18-111,320.52-44,856.70

Finding the Fourth Proportional to 80,665.18, 111,320.52 and 44,856.70

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Solution

The fourth proportional to 80,665.18, 111,320.52 and 44,856.70 is: 61,903.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,665.18 : 111,320.52 = 44,856.70 : x
  2. Step 2: Convert to fraction form
    80,665.18/111,320.52 = 44,856.70/x
  3. Step 3: Cross multiply
    80,665.18x = 111,320.52 × 44,856.70
  4. Step 4: Simplify right side
    80,665.18x = 4,993,471,169.48
  5. Step 5: Solve for x
    x = 4,993,471,169.48/80,665.18
  6. Step 6: Final answer
    x = 61,903.68

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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.