Home / 76,788.46-115,160.13-26,859.25

Finding the Fourth Proportional to 76,788.46, 115,160.13 and 26,859.25

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Solution

The fourth proportional to 76,788.46, 115,160.13 and 26,859.25 is: 40,280.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,788.46 : 115,160.13 = 26,859.25 : x
  2. Step 2: Convert to fraction form
    76,788.46/115,160.13 = 26,859.25/x
  3. Step 3: Cross multiply
    76,788.46x = 115,160.13 × 26,859.25
  4. Step 4: Simplify right side
    76,788.46x = 3,093,114,217.88
  5. Step 5: Solve for x
    x = 3,093,114,217.88/76,788.46
  6. Step 6: Final answer
    x = 40,280.98

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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.