Home / 75,848.34-113,842.40-38,434.92

Finding the Fourth Proportional to 75,848.34, 113,842.40 and 38,434.92

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Solution

The fourth proportional to 75,848.34, 113,842.40 and 38,434.92 is: 57,687.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,848.34 : 113,842.40 = 38,434.92 : x
  2. Step 2: Convert to fraction form
    75,848.34/113,842.40 = 38,434.92/x
  3. Step 3: Cross multiply
    75,848.34x = 113,842.40 × 38,434.92
  4. Step 4: Simplify right side
    75,848.34x = 4,375,523,557.89
  5. Step 5: Solve for x
    x = 4,375,523,557.89/75,848.34
  6. Step 6: Final answer
    x = 57,687.79

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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.