Home / 84,544.06-126,818.42-25,379.75

Finding the Fourth Proportional to 84,544.06, 126,818.42 and 25,379.75

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Solution

The fourth proportional to 84,544.06, 126,818.42 and 25,379.75 is: 38,070.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,544.06 : 126,818.42 = 25,379.75 : x
  2. Step 2: Convert to fraction form
    84,544.06/126,818.42 = 25,379.75/x
  3. Step 3: Cross multiply
    84,544.06x = 126,818.42 × 25,379.75
  4. Step 4: Simplify right side
    84,544.06x = 3,218,619,034.00
  5. Step 5: Solve for x
    x = 3,218,619,034.00/84,544.06
  6. Step 6: Final answer
    x = 38,070.32

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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.