Home / 80,456.90-111,037.50-44,653.82

Finding the Fourth Proportional to 80,456.90, 111,037.50 and 44,653.82

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Solution

The fourth proportional to 80,456.90, 111,037.50 and 44,653.82 is: 61,626.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,456.90 : 111,037.50 = 44,653.82 : x
  2. Step 2: Convert to fraction form
    80,456.90/111,037.50 = 44,653.82/x
  3. Step 3: Cross multiply
    80,456.90x = 111,037.50 × 44,653.82
  4. Step 4: Simplify right side
    80,456.90x = 4,958,247,983.06
  5. Step 5: Solve for x
    x = 4,958,247,983.06/80,456.90
  6. Step 6: Final answer
    x = 61,626.14

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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.