Home / 89,981.25-124,174.13-52,257.93

Finding the Fourth Proportional to 89,981.25, 124,174.13 and 52,257.93

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Solution

The fourth proportional to 89,981.25, 124,174.13 and 52,257.93 is: 72,115.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,981.25 : 124,174.13 = 52,257.93 : x
  2. Step 2: Convert to fraction form
    89,981.25/124,174.13 = 52,257.93/x
  3. Step 3: Cross multiply
    89,981.25x = 124,174.13 × 52,257.93
  4. Step 4: Simplify right side
    89,981.25x = 6,489,082,732.06
  5. Step 5: Solve for x
    x = 6,489,082,732.06/89,981.25
  6. Step 6: Final answer
    x = 72,115.94

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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.