Home / 82,661.28-123,989.76-23,501.04

Finding the Fourth Proportional to 82,661.28, 123,989.76 and 23,501.04

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Solution

The fourth proportional to 82,661.28, 123,989.76 and 23,501.04 is: 35,250.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,661.28 : 123,989.76 = 23,501.04 : x
  2. Step 2: Convert to fraction form
    82,661.28/123,989.76 = 23,501.04/x
  3. Step 3: Cross multiply
    82,661.28x = 123,989.76 × 23,501.04
  4. Step 4: Simplify right side
    82,661.28x = 2,913,888,309.35
  5. Step 5: Solve for x
    x = 2,913,888,309.35/82,661.28
  6. Step 6: Final answer
    x = 35,250.95

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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.