Home / 75,169.09-112,753.56-30,795.92

Finding the Fourth Proportional to 75,169.09, 112,753.56 and 30,795.92

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Solution

The fourth proportional to 75,169.09, 112,753.56 and 30,795.92 is: 46,193.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,169.09 : 112,753.56 = 30,795.92 : x
  2. Step 2: Convert to fraction form
    75,169.09/112,753.56 = 30,795.92/x
  3. Step 3: Cross multiply
    75,169.09x = 112,753.56 × 30,795.92
  4. Step 4: Simplify right side
    75,169.09x = 3,472,350,036.30
  5. Step 5: Solve for x
    x = 3,472,350,036.30/75,169.09
  6. Step 6: Final answer
    x = 46,193.85

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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.