Home / 65,585.20-98,229.78-45,951.40

Finding the Fourth Proportional to 65,585.20, 98,229.78 and 45,951.40

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Solution

The fourth proportional to 65,585.20, 98,229.78 and 45,951.40 is: 68,823.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,585.20 : 98,229.78 = 45,951.40 : x
  2. Step 2: Convert to fraction form
    65,585.20/98,229.78 = 45,951.40/x
  3. Step 3: Cross multiply
    65,585.20x = 98,229.78 × 45,951.40
  4. Step 4: Simplify right side
    65,585.20x = 4,513,795,912.69
  5. Step 5: Solve for x
    x = 4,513,795,912.69/65,585.20
  6. Step 6: Final answer
    x = 68,823.39

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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.