Home / 76,425.82-114,635.66-38,985.08

Finding the Fourth Proportional to 76,425.82, 114,635.66 and 38,985.08

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Solution

The fourth proportional to 76,425.82, 114,635.66 and 38,985.08 is: 58,476.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,425.82 : 114,635.66 = 38,985.08 : x
  2. Step 2: Convert to fraction form
    76,425.82/114,635.66 = 38,985.08/x
  3. Step 3: Cross multiply
    76,425.82x = 114,635.66 × 38,985.08
  4. Step 4: Simplify right side
    76,425.82x = 4,469,079,607.85
  5. Step 5: Solve for x
    x = 4,469,079,607.85/76,425.82
  6. Step 6: Final answer
    x = 58,476.05

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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.