Home / 76,379.45-114,576.98-26,459.46

Finding the Fourth Proportional to 76,379.45, 114,576.98 and 26,459.46

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Solution

The fourth proportional to 76,379.45, 114,576.98 and 26,459.46 is: 39,691.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,379.45 : 114,576.98 = 26,459.46 : x
  2. Step 2: Convert to fraction form
    76,379.45/114,576.98 = 26,459.46/x
  3. Step 3: Cross multiply
    76,379.45x = 114,576.98 × 26,459.46
  4. Step 4: Simplify right side
    76,379.45x = 3,031,644,886.93
  5. Step 5: Solve for x
    x = 3,031,644,886.93/76,379.45
  6. Step 6: Final answer
    x = 39,691.89

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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.