Home / 53,778.68-80,616.18-25,691.12

Finding the Fourth Proportional to 53,778.68, 80,616.18 and 25,691.12

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Solution

The fourth proportional to 53,778.68, 80,616.18 and 25,691.12 is: 38,511.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,778.68 : 80,616.18 = 25,691.12 : x
  2. Step 2: Convert to fraction form
    53,778.68/80,616.18 = 25,691.12/x
  3. Step 3: Cross multiply
    53,778.68x = 80,616.18 × 25,691.12
  4. Step 4: Simplify right side
    53,778.68x = 2,071,119,954.32
  5. Step 5: Solve for x
    x = 2,071,119,954.32/53,778.68
  6. Step 6: Final answer
    x = 38,511.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.