Home / 68,065.80-93,917.03-39,766.02

Finding the Fourth Proportional to 68,065.80, 93,917.03 and 39,766.02

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Solution

The fourth proportional to 68,065.80, 93,917.03 and 39,766.02 is: 54,869.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,065.80 : 93,917.03 = 39,766.02 : x
  2. Step 2: Convert to fraction form
    68,065.80/93,917.03 = 39,766.02/x
  3. Step 3: Cross multiply
    68,065.80x = 93,917.03 × 39,766.02
  4. Step 4: Simplify right side
    68,065.80x = 3,734,706,023.74
  5. Step 5: Solve for x
    x = 3,734,706,023.74/68,065.80
  6. Step 6: Final answer
    x = 54,869.06

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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.