Home / 80,998.52-121,552.01-33,613.65

Finding the Fourth Proportional to 80,998.52, 121,552.01 and 33,613.65

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Solution

The fourth proportional to 80,998.52, 121,552.01 and 33,613.65 is: 50,442.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,998.52 : 121,552.01 = 33,613.65 : x
  2. Step 2: Convert to fraction form
    80,998.52/121,552.01 = 33,613.65/x
  3. Step 3: Cross multiply
    80,998.52x = 121,552.01 × 33,613.65
  4. Step 4: Simplify right side
    80,998.52x = 4,085,806,678.92
  5. Step 5: Solve for x
    x = 4,085,806,678.92/80,998.52
  6. Step 6: Final answer
    x = 50,442.98

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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.