Home / 71,693.12-107,554.03-40,148.03

Finding the Fourth Proportional to 71,693.12, 107,554.03 and 40,148.03

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Solution

The fourth proportional to 71,693.12, 107,554.03 and 40,148.03 is: 60,230.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,693.12 : 107,554.03 = 40,148.03 : x
  2. Step 2: Convert to fraction form
    71,693.12/107,554.03 = 40,148.03/x
  3. Step 3: Cross multiply
    71,693.12x = 107,554.03 × 40,148.03
  4. Step 4: Simplify right side
    71,693.12x = 4,318,082,591.58
  5. Step 5: Solve for x
    x = 4,318,082,591.58/71,693.12
  6. Step 6: Final answer
    x = 60,230.09

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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.