Home / 74,273.06-111,391.40-40,502.68

Finding the Fourth Proportional to 74,273.06, 111,391.40 and 40,502.68

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Solution

The fourth proportional to 74,273.06, 111,391.40 and 40,502.68 is: 60,744.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,273.06 : 111,391.40 = 40,502.68 : x
  2. Step 2: Convert to fraction form
    74,273.06/111,391.40 = 40,502.68/x
  3. Step 3: Cross multiply
    74,273.06x = 111,391.40 × 40,502.68
  4. Step 4: Simplify right side
    74,273.06x = 4,511,650,228.95
  5. Step 5: Solve for x
    x = 4,511,650,228.95/74,273.06
  6. Step 6: Final answer
    x = 60,744.10

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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.