Home / 115,162.17-172,793.46-40,335.99

Finding the Fourth Proportional to 115,162.17, 172,793.46 and 40,335.99

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Solution

The fourth proportional to 115,162.17, 172,793.46 and 40,335.99 is: 60,521.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,162.17 : 172,793.46 = 40,335.99 : x
  2. Step 2: Convert to fraction form
    115,162.17/172,793.46 = 40,335.99/x
  3. Step 3: Cross multiply
    115,162.17x = 172,793.46 × 40,335.99
  4. Step 4: Simplify right side
    115,162.17x = 6,969,795,274.63
  5. Step 5: Solve for x
    x = 6,969,795,274.63/115,162.17
  6. Step 6: Final answer
    x = 60,521.57

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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.