Home / 80,974.84-111,715.16-46,964.26

Finding the Fourth Proportional to 80,974.84, 111,715.16 and 46,964.26

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Solution

The fourth proportional to 80,974.84, 111,715.16 and 46,964.26 is: 64,793.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,974.84 : 111,715.16 = 46,964.26 : x
  2. Step 2: Convert to fraction form
    80,974.84/111,715.16 = 46,964.26/x
  3. Step 3: Cross multiply
    80,974.84x = 111,715.16 × 46,964.26
  4. Step 4: Simplify right side
    80,974.84x = 5,246,619,820.18
  5. Step 5: Solve for x
    x = 5,246,619,820.18/80,974.84
  6. Step 6: Final answer
    x = 64,793.21

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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.