Home / 80,648.11-111,288.06-44,835.94

Finding the Fourth Proportional to 80,648.11, 111,288.06 and 44,835.94

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Solution

The fourth proportional to 80,648.11, 111,288.06 and 44,835.94 is: 61,870.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,648.11 : 111,288.06 = 44,835.94 : x
  2. Step 2: Convert to fraction form
    80,648.11/111,288.06 = 44,835.94/x
  3. Step 3: Cross multiply
    80,648.11x = 111,288.06 × 44,835.94
  4. Step 4: Simplify right side
    80,648.11x = 4,989,704,780.88
  5. Step 5: Solve for x
    x = 4,989,704,780.88/80,648.11
  6. Step 6: Final answer
    x = 61,870.08

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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.