Home / 71,115.46-98,086.10-49,606.30

Finding the Fourth Proportional to 71,115.46, 98,086.10 and 49,606.30

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Solution

The fourth proportional to 71,115.46, 98,086.10 and 49,606.30 is: 68,419.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,115.46 : 98,086.10 = 49,606.30 : x
  2. Step 2: Convert to fraction form
    71,115.46/98,086.10 = 49,606.30/x
  3. Step 3: Cross multiply
    71,115.46x = 98,086.10 × 49,606.30
  4. Step 4: Simplify right side
    71,115.46x = 4,865,688,502.43
  5. Step 5: Solve for x
    x = 4,865,688,502.43/71,115.46
  6. Step 6: Final answer
    x = 68,419.56

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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.