Home / 80,775.07-111,472.22-44,480.39

Finding the Fourth Proportional to 80,775.07, 111,472.22 and 44,480.39

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Solution

The fourth proportional to 80,775.07, 111,472.22 and 44,480.39 is: 61,384.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,775.07 : 111,472.22 = 44,480.39 : x
  2. Step 2: Convert to fraction form
    80,775.07/111,472.22 = 44,480.39/x
  3. Step 3: Cross multiply
    80,775.07x = 111,472.22 × 44,480.39
  4. Step 4: Simplify right side
    80,775.07x = 4,958,327,373.61
  5. Step 5: Solve for x
    x = 4,958,327,373.61/80,775.07
  6. Step 6: Final answer
    x = 61,384.38

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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.