Home / 71,926.18-107,920.39-38,607.34

Finding the Fourth Proportional to 71,926.18, 107,920.39 and 38,607.34

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Solution

The fourth proportional to 71,926.18, 107,920.39 and 38,607.34 is: 57,927.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,926.18 : 107,920.39 = 38,607.34 : x
  2. Step 2: Convert to fraction form
    71,926.18/107,920.39 = 38,607.34/x
  3. Step 3: Cross multiply
    71,926.18x = 107,920.39 × 38,607.34
  4. Step 4: Simplify right side
    71,926.18x = 4,166,519,064.64
  5. Step 5: Solve for x
    x = 4,166,519,064.64/71,926.18
  6. Step 6: Final answer
    x = 57,927.71

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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.