Home / 83,363.46-115,023.20-49,355.06

Finding the Fourth Proportional to 83,363.46, 115,023.20 and 49,355.06

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Solution

The fourth proportional to 83,363.46, 115,023.20 and 49,355.06 is: 68,099.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,363.46 : 115,023.20 = 49,355.06 : x
  2. Step 2: Convert to fraction form
    83,363.46/115,023.20 = 49,355.06/x
  3. Step 3: Cross multiply
    83,363.46x = 115,023.20 × 49,355.06
  4. Step 4: Simplify right side
    83,363.46x = 5,676,976,937.39
  5. Step 5: Solve for x
    x = 5,676,976,937.39/83,363.46
  6. Step 6: Final answer
    x = 68,099.10

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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.