Home / 80,929.26-121,417.58-41,513.85

Finding the Fourth Proportional to 80,929.26, 121,417.58 and 41,513.85

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Solution

The fourth proportional to 80,929.26, 121,417.58 and 41,513.85 is: 62,282.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,929.26 : 121,417.58 = 41,513.85 : x
  2. Step 2: Convert to fraction form
    80,929.26/121,417.58 = 41,513.85/x
  3. Step 3: Cross multiply
    80,929.26x = 121,417.58 × 41,513.85
  4. Step 4: Simplify right side
    80,929.26x = 5,040,511,307.27
  5. Step 5: Solve for x
    x = 5,040,511,307.27/80,929.26
  6. Step 6: Final answer
    x = 62,282.93

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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.