Home / 78,517.76-108,357.38-44,990.24

Finding the Fourth Proportional to 78,517.76, 108,357.38 and 44,990.24

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Solution

The fourth proportional to 78,517.76, 108,357.38 and 44,990.24 is: 62,088.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,517.76 : 108,357.38 = 44,990.24 : x
  2. Step 2: Convert to fraction form
    78,517.76/108,357.38 = 44,990.24/x
  3. Step 3: Cross multiply
    78,517.76x = 108,357.38 × 44,990.24
  4. Step 4: Simplify right side
    78,517.76x = 4,875,024,531.97
  5. Step 5: Solve for x
    x = 4,875,024,531.97/78,517.76
  6. Step 6: Final answer
    x = 62,088.18

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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.