Home / 73,179.18-100,986.75-41,354.28

Finding the Fourth Proportional to 73,179.18, 100,986.75 and 41,354.28

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Solution

The fourth proportional to 73,179.18, 100,986.75 and 41,354.28 is: 57,068.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,179.18 : 100,986.75 = 41,354.28 : x
  2. Step 2: Convert to fraction form
    73,179.18/100,986.75 = 41,354.28/x
  3. Step 3: Cross multiply
    73,179.18x = 100,986.75 × 41,354.28
  4. Step 4: Simplify right side
    73,179.18x = 4,176,234,335.79
  5. Step 5: Solve for x
    x = 4,176,234,335.79/73,179.18
  6. Step 6: Final answer
    x = 57,068.61

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.