Home / 101,916.55-152,934.96-38,789.81

Finding the Fourth Proportional to 101,916.55, 152,934.96 and 38,789.81

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Solution

The fourth proportional to 101,916.55, 152,934.96 and 38,789.81 is: 58,207.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,916.55 : 152,934.96 = 38,789.81 : x
  2. Step 2: Convert to fraction form
    101,916.55/152,934.96 = 38,789.81/x
  3. Step 3: Cross multiply
    101,916.55x = 152,934.96 × 38,789.81
  4. Step 4: Simplify right side
    101,916.55x = 5,932,318,040.76
  5. Step 5: Solve for x
    x = 5,932,318,040.76/101,916.55
  6. Step 6: Final answer
    x = 58,207.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.