Home / 84,719.77-126,879.29-73,565.85

Finding the Fourth Proportional to 84,719.77, 126,879.29 and 73,565.85

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Solution

The fourth proportional to 84,719.77, 126,879.29 and 73,565.85 is: 110,174.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,719.77 : 126,879.29 = 73,565.85 : x
  2. Step 2: Convert to fraction form
    84,719.77/126,879.29 = 73,565.85/x
  3. Step 3: Cross multiply
    84,719.77x = 126,879.29 × 73,565.85
  4. Step 4: Simplify right side
    84,719.77x = 9,333,981,922.64
  5. Step 5: Solve for x
    x = 9,333,981,922.64/84,719.77
  6. Step 6: Final answer
    x = 110,174.77

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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.