Home / 89,956.53-124,129.13-49,667.13

Finding the Fourth Proportional to 89,956.53, 124,129.13 and 49,667.13

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Solution

The fourth proportional to 89,956.53, 124,129.13 and 49,667.13 is: 68,534.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,956.53 : 124,129.13 = 49,667.13 : x
  2. Step 2: Convert to fraction form
    89,956.53/124,129.13 = 49,667.13/x
  3. Step 3: Cross multiply
    89,956.53x = 124,129.13 × 49,667.13
  4. Step 4: Simplify right side
    89,956.53x = 6,165,137,388.16
  5. Step 5: Solve for x
    x = 6,165,137,388.16/89,956.53
  6. Step 6: Final answer
    x = 68,534.63

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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.