Home / 75,144.24-103,697.28-43,311.24

Finding the Fourth Proportional to 75,144.24, 103,697.28 and 43,311.24

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Solution

The fourth proportional to 75,144.24, 103,697.28 and 43,311.24 is: 59,768.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,144.24 : 103,697.28 = 43,311.24 : x
  2. Step 2: Convert to fraction form
    75,144.24/103,697.28 = 43,311.24/x
  3. Step 3: Cross multiply
    75,144.24x = 103,697.28 × 43,311.24
  4. Step 4: Simplify right side
    75,144.24x = 4,491,257,781.43
  5. Step 5: Solve for x
    x = 4,491,257,781.43/75,144.24
  6. Step 6: Final answer
    x = 59,768.49

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1.5x scale

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.