Home / 80,841.52-111,562.68-49,011.76

Finding the Fourth Proportional to 80,841.52, 111,562.68 and 49,011.76

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Solution

The fourth proportional to 80,841.52, 111,562.68 and 49,011.76 is: 67,637.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,841.52 : 111,562.68 = 49,011.76 : x
  2. Step 2: Convert to fraction form
    80,841.52/111,562.68 = 49,011.76/x
  3. Step 3: Cross multiply
    80,841.52x = 111,562.68 × 49,011.76
  4. Step 4: Simplify right side
    80,841.52x = 5,467,883,297.12
  5. Step 5: Solve for x
    x = 5,467,883,297.12/80,841.52
  6. Step 6: Final answer
    x = 67,637.07

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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.