Home / 89,176.62-123,065.10-53,368.14

Finding the Fourth Proportional to 89,176.62, 123,065.10 and 53,368.14

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Solution

The fourth proportional to 89,176.62, 123,065.10 and 53,368.14 is: 73,648.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,176.62 : 123,065.10 = 53,368.14 : x
  2. Step 2: Convert to fraction form
    89,176.62/123,065.10 = 53,368.14/x
  3. Step 3: Cross multiply
    89,176.62x = 123,065.10 × 53,368.14
  4. Step 4: Simplify right side
    89,176.62x = 6,567,755,485.91
  5. Step 5: Solve for x
    x = 6,567,755,485.91/89,176.62
  6. Step 6: Final answer
    x = 73,648.85

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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.