Home / 68,669.62-94,722.69-40,352.02

Finding the Fourth Proportional to 68,669.62, 94,722.69 and 40,352.02

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Solution

The fourth proportional to 68,669.62, 94,722.69 and 40,352.02 is: 55,661.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,669.62 : 94,722.69 = 40,352.02 : x
  2. Step 2: Convert to fraction form
    68,669.62/94,722.69 = 40,352.02/x
  3. Step 3: Cross multiply
    68,669.62x = 94,722.69 × 40,352.02
  4. Step 4: Simplify right side
    68,669.62x = 3,822,251,881.33
  5. Step 5: Solve for x
    x = 3,822,251,881.33/68,669.62
  6. Step 6: Final answer
    x = 55,661.47

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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.