Home / 89,761.46-134,667.16-39,164.90

Finding the Fourth Proportional to 89,761.46, 134,667.16 and 39,164.90

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Solution

The fourth proportional to 89,761.46, 134,667.16 and 39,164.90 is: 58,758.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,761.46 : 134,667.16 = 39,164.90 : x
  2. Step 2: Convert to fraction form
    89,761.46/134,667.16 = 39,164.90/x
  3. Step 3: Cross multiply
    89,761.46x = 134,667.16 × 39,164.90
  4. Step 4: Simplify right side
    89,761.46x = 5,274,225,854.68
  5. Step 5: Solve for x
    x = 5,274,225,854.68/89,761.46
  6. Step 6: Final answer
    x = 58,758.24

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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.