Home / 104,034.97-143,715.23-82,787.05

Finding the Fourth Proportional to 104,034.97, 143,715.23 and 82,787.05

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Solution

The fourth proportional to 104,034.97, 143,715.23 and 82,787.05 is: 114,363.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,034.97 : 143,715.23 = 82,787.05 : x
  2. Step 2: Convert to fraction form
    104,034.97/143,715.23 = 82,787.05/x
  3. Step 3: Cross multiply
    104,034.97x = 143,715.23 × 82,787.05
  4. Step 4: Simplify right side
    104,034.97x = 11,897,759,931.77
  5. Step 5: Solve for x
    x = 11,897,759,931.77/104,034.97
  6. Step 6: Final answer
    x = 114,363.08

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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.