Home / 65,983.20-98,999.10-26,568.60

Finding the Fourth Proportional to 65,983.20, 98,999.10 and 26,568.60

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Solution

The fourth proportional to 65,983.20, 98,999.10 and 26,568.60 is: 39,862.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,983.20 : 98,999.10 = 26,568.60 : x
  2. Step 2: Convert to fraction form
    65,983.20/98,999.10 = 26,568.60/x
  3. Step 3: Cross multiply
    65,983.20x = 98,999.10 × 26,568.60
  4. Step 4: Simplify right side
    65,983.20x = 2,630,267,488.26
  5. Step 5: Solve for x
    x = 2,630,267,488.26/65,983.20
  6. Step 6: Final answer
    x = 39,862.68

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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.