Home / 76,288.96-114,387.12-34,161.04

Finding the Fourth Proportional to 76,288.96, 114,387.12 and 34,161.04

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Solution

The fourth proportional to 76,288.96, 114,387.12 and 34,161.04 is: 51,220.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,288.96 : 114,387.12 = 34,161.04 : x
  2. Step 2: Convert to fraction form
    76,288.96/114,387.12 = 34,161.04/x
  3. Step 3: Cross multiply
    76,288.96x = 114,387.12 × 34,161.04
  4. Step 4: Simplify right side
    76,288.96x = 3,907,582,981.80
  5. Step 5: Solve for x
    x = 3,907,582,981.80/76,288.96
  6. Step 6: Final answer
    x = 51,220.82

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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.