Home / 75,815.29-113,721.38-33,683.95

Finding the Fourth Proportional to 75,815.29, 113,721.38 and 33,683.95

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Solution

The fourth proportional to 75,815.29, 113,721.38 and 33,683.95 is: 50,525.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,815.29 : 113,721.38 = 33,683.95 : x
  2. Step 2: Convert to fraction form
    75,815.29/113,721.38 = 33,683.95/x
  3. Step 3: Cross multiply
    75,815.29x = 113,721.38 × 33,683.95
  4. Step 4: Simplify right side
    75,815.29x = 3,830,584,825.13
  5. Step 5: Solve for x
    x = 3,830,584,825.13/75,815.29
  6. Step 6: Final answer
    x = 50,525.23

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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.