Home / 67,788.74-101,674.47-17,869.25

Finding the Fourth Proportional to 67,788.74, 101,674.47 and 17,869.25

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Solution

The fourth proportional to 67,788.74, 101,674.47 and 17,869.25 is: 26,801.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,788.74 : 101,674.47 = 17,869.25 : x
  2. Step 2: Convert to fraction form
    67,788.74/101,674.47 = 17,869.25/x
  3. Step 3: Cross multiply
    67,788.74x = 101,674.47 × 17,869.25
  4. Step 4: Simplify right side
    67,788.74x = 1,816,846,523.05
  5. Step 5: Solve for x
    x = 1,816,846,523.05/67,788.74
  6. Step 6: Final answer
    x = 26,801.60

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.