Home / 82,816.08-124,198-26,643.68

Finding the Fourth Proportional to 82,816.08, 124,198 and 26,643.68

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Solution

The fourth proportional to 82,816.08, 124,198 and 26,643.68 is: 39,957.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,816.08 : 124,198 = 26,643.68 : x
  2. Step 2: Convert to fraction form
    82,816.08/124,198 = 26,643.68/x
  3. Step 3: Cross multiply
    82,816.08x = 124,198 × 26,643.68
  4. Step 4: Simplify right side
    82,816.08x = 3,309,091,768.64
  5. Step 5: Solve for x
    x = 3,309,091,768.64/82,816.08
  6. Step 6: Final answer
    x = 39,957.12

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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.