Home / 89,956.70-124,142.18-49,673.04

Finding the Fourth Proportional to 89,956.70, 124,142.18 and 49,673.04

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Solution

The fourth proportional to 89,956.70, 124,142.18 and 49,673.04 is: 68,549.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,956.70 : 124,142.18 = 49,673.04 : x
  2. Step 2: Convert to fraction form
    89,956.70/124,142.18 = 49,673.04/x
  3. Step 3: Cross multiply
    89,956.70x = 124,142.18 × 49,673.04
  4. Step 4: Simplify right side
    89,956.70x = 6,166,519,472.83
  5. Step 5: Solve for x
    x = 6,166,519,472.83/89,956.70
  6. Step 6: Final answer
    x = 68,549.86

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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.