Home / 76,986.90-115,469.55-24,401.70

Finding the Fourth Proportional to 76,986.90, 115,469.55 and 24,401.70

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Solution

The fourth proportional to 76,986.90, 115,469.55 and 24,401.70 is: 36,599.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,986.90 : 115,469.55 = 24,401.70 : x
  2. Step 2: Convert to fraction form
    76,986.90/115,469.55 = 24,401.70/x
  3. Step 3: Cross multiply
    76,986.90x = 115,469.55 × 24,401.70
  4. Step 4: Simplify right side
    76,986.90x = 2,817,653,318.24
  5. Step 5: Solve for x
    x = 2,817,653,318.24/76,986.90
  6. Step 6: Final answer
    x = 36,599.13

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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.