Home / 82,110.92-123,155.77-25,956.69

Finding the Fourth Proportional to 82,110.92, 123,155.77 and 25,956.69

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Solution

The fourth proportional to 82,110.92, 123,155.77 and 25,956.69 is: 38,931.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,110.92 : 123,155.77 = 25,956.69 : x
  2. Step 2: Convert to fraction form
    82,110.92/123,155.77 = 25,956.69/x
  3. Step 3: Cross multiply
    82,110.92x = 123,155.77 × 25,956.69
  4. Step 4: Simplify right side
    82,110.92x = 3,196,716,078.71
  5. Step 5: Solve for x
    x = 3,196,716,078.71/82,110.92
  6. Step 6: Final answer
    x = 38,931.68

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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.