Home / 82,661.08-123,956.65-29,366.40

Finding the Fourth Proportional to 82,661.08, 123,956.65 and 29,366.40

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Solution

The fourth proportional to 82,661.08, 123,956.65 and 29,366.40 is: 44,037.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,661.08 : 123,956.65 = 29,366.40 : x
  2. Step 2: Convert to fraction form
    82,661.08/123,956.65 = 29,366.40/x
  3. Step 3: Cross multiply
    82,661.08x = 123,956.65 × 29,366.40
  4. Step 4: Simplify right side
    82,661.08x = 3,640,160,453.44
  5. Step 5: Solve for x
    x = 3,640,160,453.44/82,661.08
  6. Step 6: Final answer
    x = 44,037.17

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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.