Home / 80,646.87-111,286.35-44,834.70

Finding the Fourth Proportional to 80,646.87, 111,286.35 and 44,834.70

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Solution

The fourth proportional to 80,646.87, 111,286.35 and 44,834.70 is: 61,868.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,646.87 : 111,286.35 = 44,834.70 : x
  2. Step 2: Convert to fraction form
    80,646.87/111,286.35 = 44,834.70/x
  3. Step 3: Cross multiply
    80,646.87x = 111,286.35 × 44,834.70
  4. Step 4: Simplify right side
    80,646.87x = 4,989,490,116.35
  5. Step 5: Solve for x
    x = 4,989,490,116.35/80,646.87
  6. Step 6: Final answer
    x = 61,868.37

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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.