Home / 71,986.08-108,034.56-47,019.36

Finding the Fourth Proportional to 71,986.08, 108,034.56 and 47,019.36

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Solution

The fourth proportional to 71,986.08, 108,034.56 and 47,019.36 is: 70,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,986.08 : 108,034.56 = 47,019.36 : x
  2. Step 2: Convert to fraction form
    71,986.08/108,034.56 = 47,019.36/x
  3. Step 3: Cross multiply
    71,986.08x = 108,034.56 × 47,019.36
  4. Step 4: Simplify right side
    71,986.08x = 5,079,715,869.08
  5. Step 5: Solve for x
    x = 5,079,715,869.08/71,986.08
  6. Step 6: Final answer
    x = 70,565.25

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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.