Home / 75,527.21-113,241.13-42,250.79

Finding the Fourth Proportional to 75,527.21, 113,241.13 and 42,250.79

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Solution

The fourth proportional to 75,527.21, 113,241.13 and 42,250.79 is: 63,348.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,527.21 : 113,241.13 = 42,250.79 : x
  2. Step 2: Convert to fraction form
    75,527.21/113,241.13 = 42,250.79/x
  3. Step 3: Cross multiply
    75,527.21x = 113,241.13 × 42,250.79
  4. Step 4: Simplify right side
    75,527.21x = 4,784,527,202.99
  5. Step 5: Solve for x
    x = 4,784,527,202.99/75,527.21
  6. Step 6: Final answer
    x = 63,348.39

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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.