Home / 68,066.41-93,917.89-39,766.63

Finding the Fourth Proportional to 68,066.41, 93,917.89 and 39,766.63

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Solution

The fourth proportional to 68,066.41, 93,917.89 and 39,766.63 is: 54,869.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,066.41 : 93,917.89 = 39,766.63 : x
  2. Step 2: Convert to fraction form
    68,066.41/93,917.89 = 39,766.63/x
  3. Step 3: Cross multiply
    68,066.41x = 93,917.89 × 39,766.63
  4. Step 4: Simplify right side
    68,066.41x = 3,734,798,017.97
  5. Step 5: Solve for x
    x = 3,734,798,017.97/68,066.41
  6. Step 6: Final answer
    x = 54,869.91

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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.