Home / 75,223.20-112,834.78-30,819.64

Finding the Fourth Proportional to 75,223.20, 112,834.78 and 30,819.64

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Solution

The fourth proportional to 75,223.20, 112,834.78 and 30,819.64 is: 46,229.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,223.20 : 112,834.78 = 30,819.64 : x
  2. Step 2: Convert to fraction form
    75,223.20/112,834.78 = 30,819.64/x
  3. Step 3: Cross multiply
    75,223.20x = 112,834.78 × 30,819.64
  4. Step 4: Simplify right side
    75,223.20x = 3,477,527,299.08
  5. Step 5: Solve for x
    x = 3,477,527,299.08/75,223.20
  6. Step 6: Final answer
    x = 46,229.45

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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.