Home / 89,411.12-134,004.84-45,049.04

Finding the Fourth Proportional to 89,411.12, 134,004.84 and 45,049.04

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Solution

The fourth proportional to 89,411.12, 134,004.84 and 45,049.04 is: 67,517.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,411.12 : 134,004.84 = 45,049.04 : x
  2. Step 2: Convert to fraction form
    89,411.12/134,004.84 = 45,049.04/x
  3. Step 3: Cross multiply
    89,411.12x = 134,004.84 × 45,049.04
  4. Step 4: Simplify right side
    89,411.12x = 6,036,789,397.35
  5. Step 5: Solve for x
    x = 6,036,789,397.35/89,411.12
  6. Step 6: Final answer
    x = 67,517.21

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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.