Home / 89,063.82-122,908.68-48,781.26

Finding the Fourth Proportional to 89,063.82, 122,908.68 and 48,781.26

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Solution

The fourth proportional to 89,063.82, 122,908.68 and 48,781.26 is: 67,318.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,063.82 : 122,908.68 = 48,781.26 : x
  2. Step 2: Convert to fraction form
    89,063.82/122,908.68 = 48,781.26/x
  3. Step 3: Cross multiply
    89,063.82x = 122,908.68 × 48,781.26
  4. Step 4: Simplify right side
    89,063.82x = 5,995,640,275.34
  5. Step 5: Solve for x
    x = 5,995,640,275.34/89,063.82
  6. Step 6: Final answer
    x = 67,318.47

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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.