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Finding the Fourth Proportional to 70,132.50, 96,770.03 and 39,916.04

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Solution

The fourth proportional to 70,132.50, 96,770.03 and 39,916.04 is: 55,076.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,132.50 : 96,770.03 = 39,916.04 : x
  2. Step 2: Convert to fraction form
    70,132.50/96,770.03 = 39,916.04/x
  3. Step 3: Cross multiply
    70,132.50x = 96,770.03 × 39,916.04
  4. Step 4: Simplify right side
    70,132.50x = 3,862,675,704.85
  5. Step 5: Solve for x
    x = 3,862,675,704.85/70,132.50
  6. Step 6: Final answer
    x = 55,076.83

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.