Home / 75,632.40-113,376.60-28,234.80

Finding the Fourth Proportional to 75,632.40, 113,376.60 and 28,234.80

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Solution

The fourth proportional to 75,632.40, 113,376.60 and 28,234.80 is: 42,325.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,632.40 : 113,376.60 = 28,234.80 : x
  2. Step 2: Convert to fraction form
    75,632.40/113,376.60 = 28,234.80/x
  3. Step 3: Cross multiply
    75,632.40x = 113,376.60 × 28,234.80
  4. Step 4: Simplify right side
    75,632.40x = 3,201,165,625.68
  5. Step 5: Solve for x
    x = 3,201,165,625.68/75,632.40
  6. Step 6: Final answer
    x = 42,325.32

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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.