Home / 80,511.85-111,104.24-44,700.94

Finding the Fourth Proportional to 80,511.85, 111,104.24 and 44,700.94

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Solution

The fourth proportional to 80,511.85, 111,104.24 and 44,700.94 is: 61,686.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,511.85 : 111,104.24 = 44,700.94 : x
  2. Step 2: Convert to fraction form
    80,511.85/111,104.24 = 44,700.94/x
  3. Step 3: Cross multiply
    80,511.85x = 111,104.24 × 44,700.94
  4. Step 4: Simplify right side
    80,511.85x = 4,966,464,132.80
  5. Step 5: Solve for x
    x = 4,966,464,132.80/80,511.85
  6. Step 6: Final answer
    x = 61,686.13

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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.