Home / 80,639.77-111,286.68-44,830.38

Finding the Fourth Proportional to 80,639.77, 111,286.68 and 44,830.38

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Solution

The fourth proportional to 80,639.77, 111,286.68 and 44,830.38 is: 61,868.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,639.77 : 111,286.68 = 44,830.38 : x
  2. Step 2: Convert to fraction form
    80,639.77/111,286.68 = 44,830.38/x
  3. Step 3: Cross multiply
    80,639.77x = 111,286.68 × 44,830.38
  4. Step 4: Simplify right side
    80,639.77x = 4,989,024,153.34
  5. Step 5: Solve for x
    x = 4,989,024,153.34/80,639.77
  6. Step 6: Final answer
    x = 61,868.04

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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.