Home / 65,815.20-98,434.80-58,845.60

Finding the Fourth Proportional to 65,815.20, 98,434.80 and 58,845.60

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Solution

The fourth proportional to 65,815.20, 98,434.80 and 58,845.60 is: 88,010.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,815.20 : 98,434.80 = 58,845.60 : x
  2. Step 2: Convert to fraction form
    65,815.20/98,434.80 = 58,845.60/x
  3. Step 3: Cross multiply
    65,815.20x = 98,434.80 × 58,845.60
  4. Step 4: Simplify right side
    65,815.20x = 5,792,454,866.88
  5. Step 5: Solve for x
    x = 5,792,454,866.88/65,815.20
  6. Step 6: Final answer
    x = 88,010.90

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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.