Home / 113,620.20-156,804.83-62,641.95

Finding the Fourth Proportional to 113,620.20, 156,804.83 and 62,641.95

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Solution

The fourth proportional to 113,620.20, 156,804.83 and 62,641.95 is: 86,450.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,620.20 : 156,804.83 = 62,641.95 : x
  2. Step 2: Convert to fraction form
    113,620.20/156,804.83 = 62,641.95/x
  3. Step 3: Cross multiply
    113,620.20x = 156,804.83 × 62,641.95
  4. Step 4: Simplify right side
    113,620.20x = 9,822,560,320.62
  5. Step 5: Solve for x
    x = 9,822,560,320.62/113,620.20
  6. Step 6: Final answer
    x = 86,450.83

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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.