Home / 65,487.11-98,231.35-52,422.53

Finding the Fourth Proportional to 65,487.11, 98,231.35 and 52,422.53

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Solution

The fourth proportional to 65,487.11, 98,231.35 and 52,422.53 is: 78,634.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,487.11 : 98,231.35 = 52,422.53 : x
  2. Step 2: Convert to fraction form
    65,487.11/98,231.35 = 52,422.53/x
  3. Step 3: Cross multiply
    65,487.11x = 98,231.35 × 52,422.53
  4. Step 4: Simplify right side
    65,487.11x = 5,149,535,515.68
  5. Step 5: Solve for x
    x = 5,149,535,515.68/65,487.11
  6. Step 6: Final answer
    x = 78,634.34

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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.