Home / 74,826.85-103,278.72-43,014.20

Finding the Fourth Proportional to 74,826.85, 103,278.72 and 43,014.20

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Solution

The fourth proportional to 74,826.85, 103,278.72 and 43,014.20 is: 59,369.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,826.85 : 103,278.72 = 43,014.20 : x
  2. Step 2: Convert to fraction form
    74,826.85/103,278.72 = 43,014.20/x
  3. Step 3: Cross multiply
    74,826.85x = 103,278.72 × 43,014.20
  4. Step 4: Simplify right side
    74,826.85x = 4,442,451,517.82
  5. Step 5: Solve for x
    x = 4,442,451,517.82/74,826.85
  6. Step 6: Final answer
    x = 59,369.75

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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.