Home / 71,930.24-107,926.45-38,611.39

Finding the Fourth Proportional to 71,930.24, 107,926.45 and 38,611.39

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Solution

The fourth proportional to 71,930.24, 107,926.45 and 38,611.39 is: 57,933.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,930.24 : 107,926.45 = 38,611.39 : x
  2. Step 2: Convert to fraction form
    71,930.24/107,926.45 = 38,611.39/x
  3. Step 3: Cross multiply
    71,930.24x = 107,926.45 × 38,611.39
  4. Step 4: Simplify right side
    71,930.24x = 4,167,190,252.27
  5. Step 5: Solve for x
    x = 4,167,190,252.27/71,930.24
  6. Step 6: Final answer
    x = 57,933.77

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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.