Home / 75,320.98-103,942.04-43,489.19

Finding the Fourth Proportional to 75,320.98, 103,942.04 and 43,489.19

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Solution

The fourth proportional to 75,320.98, 103,942.04 and 43,489.19 is: 60,014.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,320.98 : 103,942.04 = 43,489.19 : x
  2. Step 2: Convert to fraction form
    75,320.98/103,942.04 = 43,489.19/x
  3. Step 3: Cross multiply
    75,320.98x = 103,942.04 × 43,489.19
  4. Step 4: Simplify right side
    75,320.98x = 4,520,354,909.10
  5. Step 5: Solve for x
    x = 4,520,354,909.10/75,320.98
  6. Step 6: Final answer
    x = 60,014.56

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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.