Home / 80,511.29-111,105.81-44,701.38

Finding the Fourth Proportional to 80,511.29, 111,105.81 and 44,701.38

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Solution

The fourth proportional to 80,511.29, 111,105.81 and 44,701.38 is: 61,688.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,511.29 : 111,105.81 = 44,701.38 : x
  2. Step 2: Convert to fraction form
    80,511.29/111,105.81 = 44,701.38/x
  3. Step 3: Cross multiply
    80,511.29x = 111,105.81 × 44,701.38
  4. Step 4: Simplify right side
    80,511.29x = 4,966,583,033.02
  5. Step 5: Solve for x
    x = 4,966,583,033.02/80,511.29
  6. Step 6: Final answer
    x = 61,688.04

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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.