Home / 82,398.02-123,608.78-25,476.81

Finding the Fourth Proportional to 82,398.02, 123,608.78 and 25,476.81

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Solution

The fourth proportional to 82,398.02, 123,608.78 and 25,476.81 is: 38,218.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,398.02 : 123,608.78 = 25,476.81 : x
  2. Step 2: Convert to fraction form
    82,398.02/123,608.78 = 25,476.81/x
  3. Step 3: Cross multiply
    82,398.02x = 123,608.78 × 25,476.81
  4. Step 4: Simplify right side
    82,398.02x = 3,149,157,275.01
  5. Step 5: Solve for x
    x = 3,149,157,275.01/82,398.02
  6. Step 6: Final answer
    x = 38,218.85

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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.