Home / 89,658.45-134,444.70-52,229.16

Finding the Fourth Proportional to 89,658.45, 134,444.70 and 52,229.16

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Solution

The fourth proportional to 89,658.45, 134,444.70 and 52,229.16 is: 78,318.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,658.45 : 134,444.70 = 52,229.16 : x
  2. Step 2: Convert to fraction form
    89,658.45/134,444.70 = 52,229.16/x
  3. Step 3: Cross multiply
    89,658.45x = 134,444.70 × 52,229.16
  4. Step 4: Simplify right side
    89,658.45x = 7,021,933,747.45
  5. Step 5: Solve for x
    x = 7,021,933,747.45/89,658.45
  6. Step 6: Final answer
    x = 78,318.71

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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.