Home / 70,344.50-97,084.66-40,122.90

Finding the Fourth Proportional to 70,344.50, 97,084.66 and 40,122.90

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Solution

The fourth proportional to 70,344.50, 97,084.66 and 40,122.90 is: 55,374.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,344.50 : 97,084.66 = 40,122.90 : x
  2. Step 2: Convert to fraction form
    70,344.50/97,084.66 = 40,122.90/x
  3. Step 3: Cross multiply
    70,344.50x = 97,084.66 × 40,122.90
  4. Step 4: Simplify right side
    70,344.50x = 3,895,318,104.71
  5. Step 5: Solve for x
    x = 3,895,318,104.71/70,344.50
  6. Step 6: Final answer
    x = 55,374.88

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Why These Related Problems?

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