Home / 83,929.32-115,304.40-75,093.84

Finding the Fourth Proportional to 83,929.32, 115,304.40 and 75,093.84

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Solution

The fourth proportional to 83,929.32, 115,304.40 and 75,093.84 is: 103,165.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,929.32 : 115,304.40 = 75,093.84 : x
  2. Step 2: Convert to fraction form
    83,929.32/115,304.40 = 75,093.84/x
  3. Step 3: Cross multiply
    83,929.32x = 115,304.40 × 75,093.84
  4. Step 4: Simplify right side
    83,929.32x = 8,658,650,164.90
  5. Step 5: Solve for x
    x = 8,658,650,164.90/83,929.32
  6. Step 6: Final answer
    x = 103,165.98

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.