Home / 82,721.62-124,029.06-35,367.58

Finding the Fourth Proportional to 82,721.62, 124,029.06 and 35,367.58

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Solution

The fourth proportional to 82,721.62, 124,029.06 and 35,367.58 is: 53,028.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,721.62 : 124,029.06 = 35,367.58 : x
  2. Step 2: Convert to fraction form
    82,721.62/124,029.06 = 35,367.58/x
  3. Step 3: Cross multiply
    82,721.62x = 124,029.06 × 35,367.58
  4. Step 4: Simplify right side
    82,721.62x = 4,386,607,701.87
  5. Step 5: Solve for x
    x = 4,386,607,701.87/82,721.62
  6. Step 6: Final answer
    x = 53,028.55

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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.