Home / 71,298.09-107,052.27-39,769.75

Finding the Fourth Proportional to 71,298.09, 107,052.27 and 39,769.75

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Solution

The fourth proportional to 71,298.09, 107,052.27 and 39,769.75 is: 59,713.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,298.09 : 107,052.27 = 39,769.75 : x
  2. Step 2: Convert to fraction form
    71,298.09/107,052.27 = 39,769.75/x
  3. Step 3: Cross multiply
    71,298.09x = 107,052.27 × 39,769.75
  4. Step 4: Simplify right side
    71,298.09x = 4,257,442,014.83
  5. Step 5: Solve for x
    x = 4,257,442,014.83/71,298.09
  6. Step 6: Final answer
    x = 59,713.27

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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.