Home / 76,722.33-115,029.72-29,335.50

Finding the Fourth Proportional to 76,722.33, 115,029.72 and 29,335.50

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Solution

The fourth proportional to 76,722.33, 115,029.72 and 29,335.50 is: 43,982.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,722.33 : 115,029.72 = 29,335.50 : x
  2. Step 2: Convert to fraction form
    76,722.33/115,029.72 = 29,335.50/x
  3. Step 3: Cross multiply
    76,722.33x = 115,029.72 × 29,335.50
  4. Step 4: Simplify right side
    76,722.33x = 3,374,454,351.06
  5. Step 5: Solve for x
    x = 3,374,454,351.06/76,722.33
  6. Step 6: Final answer
    x = 43,982.69

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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.