Home / 71,301.28-107,055.60-52,638.88

Finding the Fourth Proportional to 71,301.28, 107,055.60 and 52,638.88

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Solution

The fourth proportional to 71,301.28, 107,055.60 and 52,638.88 is: 79,034.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,301.28 : 107,055.60 = 52,638.88 : x
  2. Step 2: Convert to fraction form
    71,301.28/107,055.60 = 52,638.88/x
  3. Step 3: Cross multiply
    71,301.28x = 107,055.60 × 52,638.88
  4. Step 4: Simplify right side
    71,301.28x = 5,635,286,881.73
  5. Step 5: Solve for x
    x = 5,635,286,881.73/71,301.28
  6. Step 6: Final answer
    x = 79,034.86

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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.