Home / 77,156.48-115,714.46-32,760.38

Finding the Fourth Proportional to 77,156.48, 115,714.46 and 32,760.38

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Solution

The fourth proportional to 77,156.48, 115,714.46 and 32,760.38 is: 49,131.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,156.48 : 115,714.46 = 32,760.38 : x
  2. Step 2: Convert to fraction form
    77,156.48/115,714.46 = 32,760.38/x
  3. Step 3: Cross multiply
    77,156.48x = 115,714.46 × 32,760.38
  4. Step 4: Simplify right side
    77,156.48x = 3,790,849,184.42
  5. Step 5: Solve for x
    x = 3,790,849,184.42/77,156.48
  6. Step 6: Final answer
    x = 49,131.96

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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.