Home / 77,207.13-115,732.02-32,805.57

Finding the Fourth Proportional to 77,207.13, 115,732.02 and 32,805.57

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Solution

The fourth proportional to 77,207.13, 115,732.02 and 32,805.57 is: 49,174.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,207.13 : 115,732.02 = 32,805.57 : x
  2. Step 2: Convert to fraction form
    77,207.13/115,732.02 = 32,805.57/x
  3. Step 3: Cross multiply
    77,207.13x = 115,732.02 × 32,805.57
  4. Step 4: Simplify right side
    77,207.13x = 3,796,654,883.35
  5. Step 5: Solve for x
    x = 3,796,654,883.35/77,207.13
  6. Step 6: Final answer
    x = 49,174.93

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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.