Home / 76,179.78-114,225.91-40,597.29

Finding the Fourth Proportional to 76,179.78, 114,225.91 and 40,597.29

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Solution

The fourth proportional to 76,179.78, 114,225.91 and 40,597.29 is: 60,872.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,179.78 : 114,225.91 = 40,597.29 : x
  2. Step 2: Convert to fraction form
    76,179.78/114,225.91 = 40,597.29/x
  3. Step 3: Cross multiply
    76,179.78x = 114,225.91 × 40,597.29
  4. Step 4: Simplify right side
    76,179.78x = 4,637,261,619.67
  5. Step 5: Solve for x
    x = 4,637,261,619.67/76,179.78
  6. Step 6: Final answer
    x = 60,872.61

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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.