Home / 75,479.20-113,223.62-25,552.40

Finding the Fourth Proportional to 75,479.20, 113,223.62 and 25,552.40

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Solution

The fourth proportional to 75,479.20, 113,223.62 and 25,552.40 is: 38,330.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,479.20 : 113,223.62 = 25,552.40 : x
  2. Step 2: Convert to fraction form
    75,479.20/113,223.62 = 25,552.40/x
  3. Step 3: Cross multiply
    75,479.20x = 113,223.62 × 25,552.40
  4. Step 4: Simplify right side
    75,479.20x = 2,893,135,227.69
  5. Step 5: Solve for x
    x = 2,893,135,227.69/75,479.20
  6. Step 6: Final answer
    x = 38,330.23

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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.