Home / 82,872.06-124,224.87-26,670.87

Finding the Fourth Proportional to 82,872.06, 124,224.87 and 26,670.87

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Solution

The fourth proportional to 82,872.06, 124,224.87 and 26,670.87 is: 39,979.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,872.06 : 124,224.87 = 26,670.87 : x
  2. Step 2: Convert to fraction form
    82,872.06/124,224.87 = 26,670.87/x
  3. Step 3: Cross multiply
    82,872.06x = 124,224.87 × 26,670.87
  4. Step 4: Simplify right side
    82,872.06x = 3,313,185,233.52
  5. Step 5: Solve for x
    x = 3,313,185,233.52/82,872.06
  6. Step 6: Final answer
    x = 39,979.52

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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.