Home / 80,648.61-111,288.75-44,836.44

Finding the Fourth Proportional to 80,648.61, 111,288.75 and 44,836.44

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Solution

The fourth proportional to 80,648.61, 111,288.75 and 44,836.44 is: 61,870.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,648.61 : 111,288.75 = 44,836.44 : x
  2. Step 2: Convert to fraction form
    80,648.61/111,288.75 = 44,836.44/x
  3. Step 3: Cross multiply
    80,648.61x = 111,288.75 × 44,836.44
  4. Step 4: Simplify right side
    80,648.61x = 4,989,791,362.05
  5. Step 5: Solve for x
    x = 4,989,791,362.05/80,648.61
  6. Step 6: Final answer
    x = 61,870.77

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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.