Home / 107,721.38-148,660.41-59,977.76

Finding the Fourth Proportional to 107,721.38, 148,660.41 and 59,977.76

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Solution

The fourth proportional to 107,721.38, 148,660.41 and 59,977.76 is: 82,772.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,721.38 : 148,660.41 = 59,977.76 : x
  2. Step 2: Convert to fraction form
    107,721.38/148,660.41 = 59,977.76/x
  3. Step 3: Cross multiply
    107,721.38x = 148,660.41 × 59,977.76
  4. Step 4: Simplify right side
    107,721.38x = 8,916,318,392.48
  5. Step 5: Solve for x
    x = 8,916,318,392.48/107,721.38
  6. Step 6: Final answer
    x = 82,772.04

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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.