Home / 68,909.28-102,945.23-43,747.85

Finding the Fourth Proportional to 68,909.28, 102,945.23 and 43,747.85

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Solution

The fourth proportional to 68,909.28, 102,945.23 and 43,747.85 is: 65,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,909.28 : 102,945.23 = 43,747.85 : x
  2. Step 2: Convert to fraction form
    68,909.28/102,945.23 = 43,747.85/x
  3. Step 3: Cross multiply
    68,909.28x = 102,945.23 × 43,747.85
  4. Step 4: Simplify right side
    68,909.28x = 4,503,631,746.79
  5. Step 5: Solve for x
    x = 4,503,631,746.79/68,909.28
  6. Step 6: Final answer
    x = 65,355.95

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.