Home / 75,310.20-112,959.18-25,389.24

Finding the Fourth Proportional to 75,310.20, 112,959.18 and 25,389.24

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Solution

The fourth proportional to 75,310.20, 112,959.18 and 25,389.24 is: 38,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,310.20 : 112,959.18 = 25,389.24 : x
  2. Step 2: Convert to fraction form
    75,310.20/112,959.18 = 25,389.24/x
  3. Step 3: Cross multiply
    75,310.20x = 112,959.18 × 25,389.24
  4. Step 4: Simplify right side
    75,310.20x = 2,867,947,731.22
  5. Step 5: Solve for x
    x = 2,867,947,731.22/75,310.20
  6. Step 6: Final answer
    x = 38,081.80

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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.