Home / 83,506.26-115,233.75-49,518.01

Finding the Fourth Proportional to 83,506.26, 115,233.75 and 49,518.01

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Solution

The fourth proportional to 83,506.26, 115,233.75 and 49,518.01 is: 68,331.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,506.26 : 115,233.75 = 49,518.01 : x
  2. Step 2: Convert to fraction form
    83,506.26/115,233.75 = 49,518.01/x
  3. Step 3: Cross multiply
    83,506.26x = 115,233.75 × 49,518.01
  4. Step 4: Simplify right side
    83,506.26x = 5,706,145,984.84
  5. Step 5: Solve for x
    x = 5,706,145,984.84/83,506.26
  6. Step 6: Final answer
    x = 68,331.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.