Home / 89,494.80-123,503.28-49,211.17

Finding the Fourth Proportional to 89,494.80, 123,503.28 and 49,211.17

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Solution

The fourth proportional to 89,494.80, 123,503.28 and 49,211.17 is: 67,911.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,494.80 : 123,503.28 = 49,211.17 : x
  2. Step 2: Convert to fraction form
    89,494.80/123,503.28 = 49,211.17/x
  3. Step 3: Cross multiply
    89,494.80x = 123,503.28 × 49,211.17
  4. Step 4: Simplify right side
    89,494.80x = 6,077,740,044.07
  5. Step 5: Solve for x
    x = 6,077,740,044.07/89,494.80
  6. Step 6: Final answer
    x = 67,911.66

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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.