Home / 109,819.68-151,550.88-59,518.80

Finding the Fourth Proportional to 109,819.68, 151,550.88 and 59,518.80

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Solution

The fourth proportional to 109,819.68, 151,550.88 and 59,518.80 is: 82,135.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,819.68 : 151,550.88 = 59,518.80 : x
  2. Step 2: Convert to fraction form
    109,819.68/151,550.88 = 59,518.80/x
  3. Step 3: Cross multiply
    109,819.68x = 151,550.88 × 59,518.80
  4. Step 4: Simplify right side
    109,819.68x = 9,020,126,516.54
  5. Step 5: Solve for x
    x = 9,020,126,516.54/109,819.68
  6. Step 6: Final answer
    x = 82,135.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.