Home / 80,639.84-111,286.79-44,830.46

Finding the Fourth Proportional to 80,639.84, 111,286.79 and 44,830.46

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Solution

The fourth proportional to 80,639.84, 111,286.79 and 44,830.46 is: 61,868.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,639.84 : 111,286.79 = 44,830.46 : x
  2. Step 2: Convert to fraction form
    80,639.84/111,286.79 = 44,830.46/x
  3. Step 3: Cross multiply
    80,639.84x = 111,286.79 × 44,830.46
  4. Step 4: Simplify right side
    80,639.84x = 4,989,037,207.04
  5. Step 5: Solve for x
    x = 4,989,037,207.04/80,639.84
  6. Step 6: Final answer
    x = 61,868.14

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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.