Home / 88,174.13-121,699.65-57,962.22

Finding the Fourth Proportional to 88,174.13, 121,699.65 and 57,962.22

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Solution

The fourth proportional to 88,174.13, 121,699.65 and 57,962.22 is: 80,000.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,174.13 : 121,699.65 = 57,962.22 : x
  2. Step 2: Convert to fraction form
    88,174.13/121,699.65 = 57,962.22/x
  3. Step 3: Cross multiply
    88,174.13x = 121,699.65 × 57,962.22
  4. Step 4: Simplify right side
    88,174.13x = 7,053,981,887.22
  5. Step 5: Solve for x
    x = 7,053,981,887.22/88,174.13
  6. Step 6: Final answer
    x = 80,000.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.