Home / 75,432.40-113,163.16-25,520.60

Finding the Fourth Proportional to 75,432.40, 113,163.16 and 25,520.60

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Solution

The fourth proportional to 75,432.40, 113,163.16 and 25,520.60 is: 38,285.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,432.40 : 113,163.16 = 25,520.60 : x
  2. Step 2: Convert to fraction form
    75,432.40/113,163.16 = 25,520.60/x
  3. Step 3: Cross multiply
    75,432.40x = 113,163.16 × 25,520.60
  4. Step 4: Simplify right side
    75,432.40x = 2,887,991,741.10
  5. Step 5: Solve for x
    x = 2,887,991,741.10/75,432.40
  6. Step 6: Final answer
    x = 38,285.83

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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.