Home / 82,454.84-123,517.38-38,020.76

Finding the Fourth Proportional to 82,454.84, 123,517.38 and 38,020.76

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Solution

The fourth proportional to 82,454.84, 123,517.38 and 38,020.76 is: 56,955.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,454.84 : 123,517.38 = 38,020.76 : x
  2. Step 2: Convert to fraction form
    82,454.84/123,517.38 = 38,020.76/x
  3. Step 3: Cross multiply
    82,454.84x = 123,517.38 × 38,020.76
  4. Step 4: Simplify right side
    82,454.84x = 4,696,224,660.81
  5. Step 5: Solve for x
    x = 4,696,224,660.81/82,454.84
  6. Step 6: Final answer
    x = 56,955.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.