Home / 80,718.92-111,389.30-44,416.97

Finding the Fourth Proportional to 80,718.92, 111,389.30 and 44,416.97

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Solution

The fourth proportional to 80,718.92, 111,389.30 and 44,416.97 is: 61,293.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,718.92 : 111,389.30 = 44,416.97 : x
  2. Step 2: Convert to fraction form
    80,718.92/111,389.30 = 44,416.97/x
  3. Step 3: Cross multiply
    80,718.92x = 111,389.30 × 44,416.97
  4. Step 4: Simplify right side
    80,718.92x = 4,947,574,639.47
  5. Step 5: Solve for x
    x = 4,947,574,639.47/80,718.92
  6. Step 6: Final answer
    x = 61,293.87

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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.