Home / 78,449.17-108,257.20-44,908.69

Finding the Fourth Proportional to 78,449.17, 108,257.20 and 44,908.69

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Solution

The fourth proportional to 78,449.17, 108,257.20 and 44,908.69 is: 61,972.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,449.17 : 108,257.20 = 44,908.69 : x
  2. Step 2: Convert to fraction form
    78,449.17/108,257.20 = 44,908.69/x
  3. Step 3: Cross multiply
    78,449.17x = 108,257.20 × 44,908.69
  4. Step 4: Simplify right side
    78,449.17x = 4,861,689,035.07
  5. Step 5: Solve for x
    x = 4,861,689,035.07/78,449.17
  6. Step 6: Final answer
    x = 61,972.47

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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.