Home / 65,144.13-97,715.17-20,770.59

Finding the Fourth Proportional to 65,144.13, 97,715.17 and 20,770.59

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Solution

The fourth proportional to 65,144.13, 97,715.17 and 20,770.59 is: 31,155.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,144.13 : 97,715.17 = 20,770.59 : x
  2. Step 2: Convert to fraction form
    65,144.13/97,715.17 = 20,770.59/x
  3. Step 3: Cross multiply
    65,144.13x = 97,715.17 × 20,770.59
  4. Step 4: Simplify right side
    65,144.13x = 2,029,601,575.60
  5. Step 5: Solve for x
    x = 2,029,601,575.60/65,144.13
  6. Step 6: Final answer
    x = 31,155.55

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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.