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Finding the Fourth Proportional to 80,697.34, 111,360.69 and 44,886.58

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Solution

The fourth proportional to 80,697.34, 111,360.69 and 44,886.58 is: 61,942.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,697.34 : 111,360.69 = 44,886.58 : x
  2. Step 2: Convert to fraction form
    80,697.34/111,360.69 = 44,886.58/x
  3. Step 3: Cross multiply
    80,697.34x = 111,360.69 × 44,886.58
  4. Step 4: Simplify right side
    80,697.34x = 4,998,600,520.54
  5. Step 5: Solve for x
    x = 4,998,600,520.54/80,697.34
  6. Step 6: Final answer
    x = 61,942.57

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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.