Home / 79,996.08-120,092.49-75,862.65

Finding the Fourth Proportional to 79,996.08, 120,092.49 and 75,862.65

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Solution

The fourth proportional to 79,996.08, 120,092.49 and 75,862.65 is: 113,887.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,996.08 : 120,092.49 = 75,862.65 : x
  2. Step 2: Convert to fraction form
    79,996.08/120,092.49 = 75,862.65/x
  3. Step 3: Cross multiply
    79,996.08x = 120,092.49 × 75,862.65
  4. Step 4: Simplify right side
    79,996.08x = 9,110,534,536.50
  5. Step 5: Solve for x
    x = 9,110,534,536.50/79,996.08
  6. Step 6: Final answer
    x = 113,887.26

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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.