Home / 74,139.60-111,097.17-49,089.95

Finding the Fourth Proportional to 74,139.60, 111,097.17 and 49,089.95

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Solution

The fourth proportional to 74,139.60, 111,097.17 and 49,089.95 is: 73,560.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,139.60 : 111,097.17 = 49,089.95 : x
  2. Step 2: Convert to fraction form
    74,139.60/111,097.17 = 49,089.95/x
  3. Step 3: Cross multiply
    74,139.60x = 111,097.17 × 49,089.95
  4. Step 4: Simplify right side
    74,139.60x = 5,453,754,381.57
  5. Step 5: Solve for x
    x = 5,453,754,381.57/74,139.60
  6. Step 6: Final answer
    x = 73,560.61

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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.