Home / 103,869.60-155,819.76-41,538.72

Finding the Fourth Proportional to 103,869.60, 155,819.76 and 41,538.72

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Solution

The fourth proportional to 103,869.60, 155,819.76 and 41,538.72 is: 62,314.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,869.60 : 155,819.76 = 41,538.72 : x
  2. Step 2: Convert to fraction form
    103,869.60/155,819.76 = 41,538.72/x
  3. Step 3: Cross multiply
    103,869.60x = 155,819.76 × 41,538.72
  4. Step 4: Simplify right side
    103,869.60x = 6,472,553,381.11
  5. Step 5: Solve for x
    x = 6,472,553,381.11/103,869.60
  6. Step 6: Final answer
    x = 62,314.22

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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.