Home / 68,066.42-93,917.89-39,766.64

Finding the Fourth Proportional to 68,066.42, 93,917.89 and 39,766.64

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Solution

The fourth proportional to 68,066.42, 93,917.89 and 39,766.64 is: 54,869.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,066.42 : 93,917.89 = 39,766.64 : x
  2. Step 2: Convert to fraction form
    68,066.42/93,917.89 = 39,766.64/x
  3. Step 3: Cross multiply
    68,066.42x = 93,917.89 × 39,766.64
  4. Step 4: Simplify right side
    68,066.42x = 3,734,798,252.77
  5. Step 5: Solve for x
    x = 3,734,798,252.77/68,066.42
  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.