Home / 84,172.86-126,097.31-52,595.33

Finding the Fourth Proportional to 84,172.86, 126,097.31 and 52,595.33

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Solution

The fourth proportional to 84,172.86, 126,097.31 and 52,595.33 is: 78,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,172.86 : 126,097.31 = 52,595.33 : x
  2. Step 2: Convert to fraction form
    84,172.86/126,097.31 = 52,595.33/x
  3. Step 3: Cross multiply
    84,172.86x = 126,097.31 × 52,595.33
  4. Step 4: Simplify right side
    84,172.86x = 6,632,129,132.56
  5. Step 5: Solve for x
    x = 6,632,129,132.56/84,172.86
  6. Step 6: Final answer
    x = 78,791.78

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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.