Home / 81,029.45-111,826.82-44,737.89

Finding the Fourth Proportional to 81,029.45, 111,826.82 and 44,737.89

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Solution

The fourth proportional to 81,029.45, 111,826.82 and 44,737.89 is: 61,741.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,029.45 : 111,826.82 = 44,737.89 : x
  2. Step 2: Convert to fraction form
    81,029.45/111,826.82 = 44,737.89/x
  3. Step 3: Cross multiply
    81,029.45x = 111,826.82 × 44,737.89
  4. Step 4: Simplify right side
    81,029.45x = 5,002,895,972.21
  5. Step 5: Solve for x
    x = 5,002,895,972.21/81,029.45
  6. Step 6: Final answer
    x = 61,741.70

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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.