Home / 75,487.68-113,231.52-28,715.04

Finding the Fourth Proportional to 75,487.68, 113,231.52 and 28,715.04

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Solution

The fourth proportional to 75,487.68, 113,231.52 and 28,715.04 is: 43,072.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,487.68 : 113,231.52 = 28,715.04 : x
  2. Step 2: Convert to fraction form
    75,487.68/113,231.52 = 28,715.04/x
  3. Step 3: Cross multiply
    75,487.68x = 113,231.52 × 28,715.04
  4. Step 4: Simplify right side
    75,487.68x = 3,251,447,626.06
  5. Step 5: Solve for x
    x = 3,251,447,626.06/75,487.68
  6. Step 6: Final answer
    x = 43,072.56

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1.5x scale

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.