Home / 74,928.43-103,423.40-43,119.73

Finding the Fourth Proportional to 74,928.43, 103,423.40 and 43,119.73

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Solution

The fourth proportional to 74,928.43, 103,423.40 and 43,119.73 is: 59,517.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,928.43 : 103,423.40 = 43,119.73 : x
  2. Step 2: Convert to fraction form
    74,928.43/103,423.40 = 43,119.73/x
  3. Step 3: Cross multiply
    74,928.43x = 103,423.40 × 43,119.73
  4. Step 4: Simplify right side
    74,928.43x = 4,459,589,083.68
  5. Step 5: Solve for x
    x = 4,459,589,083.68/74,928.43
  6. Step 6: Final answer
    x = 59,517.98

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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.