Home / 80,588.75-111,212.57-44,777.93

Finding the Fourth Proportional to 80,588.75, 111,212.57 and 44,777.93

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Solution

The fourth proportional to 80,588.75, 111,212.57 and 44,777.93 is: 61,793.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,588.75 : 111,212.57 = 44,777.93 : x
  2. Step 2: Convert to fraction form
    80,588.75/111,212.57 = 44,777.93/x
  3. Step 3: Cross multiply
    80,588.75x = 111,212.57 × 44,777.93
  4. Step 4: Simplify right side
    80,588.75x = 4,979,868,230.46
  5. Step 5: Solve for x
    x = 4,979,868,230.46/80,588.75
  6. Step 6: Final answer
    x = 61,793.59

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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.