Home / 84,029.86-125,976.31-39,079.58

Finding the Fourth Proportional to 84,029.86, 125,976.31 and 39,079.58

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Solution

The fourth proportional to 84,029.86, 125,976.31 and 39,079.58 is: 58,587.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,029.86 : 125,976.31 = 39,079.58 : x
  2. Step 2: Convert to fraction form
    84,029.86/125,976.31 = 39,079.58/x
  3. Step 3: Cross multiply
    84,029.86x = 125,976.31 × 39,079.58
  4. Step 4: Simplify right side
    84,029.86x = 4,923,101,284.75
  5. Step 5: Solve for x
    x = 4,923,101,284.75/84,029.86
  6. Step 6: Final answer
    x = 58,587.52

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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.