Home / 80,511.57-111,103.85-44,700.66

Finding the Fourth Proportional to 80,511.57, 111,103.85 and 44,700.66

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Solution

The fourth proportional to 80,511.57, 111,103.85 and 44,700.66 is: 61,685.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,511.57 : 111,103.85 = 44,700.66 : x
  2. Step 2: Convert to fraction form
    80,511.57/111,103.85 = 44,700.66/x
  3. Step 3: Cross multiply
    80,511.57x = 111,103.85 × 44,700.66
  4. Step 4: Simplify right side
    80,511.57x = 4,966,415,535.29
  5. Step 5: Solve for x
    x = 4,966,415,535.29/80,511.57
  6. Step 6: Final answer
    x = 61,685.74

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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.