Home / 82,815.83-124,243.56-26,661.19

Finding the Fourth Proportional to 82,815.83, 124,243.56 and 26,661.19

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Solution

The fourth proportional to 82,815.83, 124,243.56 and 26,661.19 is: 39,998.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,815.83 : 124,243.56 = 26,661.19 : x
  2. Step 2: Convert to fraction form
    82,815.83/124,243.56 = 26,661.19/x
  3. Step 3: Cross multiply
    82,815.83x = 124,243.56 × 26,661.19
  4. Step 4: Simplify right side
    82,815.83x = 3,312,480,404.91
  5. Step 5: Solve for x
    x = 3,312,480,404.91/82,815.83
  6. Step 6: Final answer
    x = 39,998.16

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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.