Home / 89,906.46-124,070.79-49,620.25

Finding the Fourth Proportional to 89,906.46, 124,070.79 and 49,620.25

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Solution

The fourth proportional to 89,906.46, 124,070.79 and 49,620.25 is: 68,475.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,906.46 : 124,070.79 = 49,620.25 : x
  2. Step 2: Convert to fraction form
    89,906.46/124,070.79 = 49,620.25/x
  3. Step 3: Cross multiply
    89,906.46x = 124,070.79 × 49,620.25
  4. Step 4: Simplify right side
    89,906.46x = 6,156,423,617.50
  5. Step 5: Solve for x
    x = 6,156,423,617.50/89,906.46
  6. Step 6: Final answer
    x = 68,475.88

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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.