Home / 82,110.97-123,155.84-25,956.74

Finding the Fourth Proportional to 82,110.97, 123,155.84 and 25,956.74

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Solution

The fourth proportional to 82,110.97, 123,155.84 and 25,956.74 is: 38,931.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,110.97 : 123,155.84 = 25,956.74 : x
  2. Step 2: Convert to fraction form
    82,110.97/123,155.84 = 25,956.74/x
  3. Step 3: Cross multiply
    82,110.97x = 123,155.84 × 25,956.74
  4. Step 4: Simplify right side
    82,110.97x = 3,196,724,345.14
  5. Step 5: Solve for x
    x = 3,196,724,345.14/82,110.97
  6. Step 6: Final answer
    x = 38,931.76

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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.