Home / 67,775.45-101,669.04-17,855.15

Finding the Fourth Proportional to 67,775.45, 101,669.04 and 17,855.15

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Solution

The fourth proportional to 67,775.45, 101,669.04 and 17,855.15 is: 26,784.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,775.45 : 101,669.04 = 17,855.15 : x
  2. Step 2: Convert to fraction form
    67,775.45/101,669.04 = 17,855.15/x
  3. Step 3: Cross multiply
    67,775.45x = 101,669.04 × 17,855.15
  4. Step 4: Simplify right side
    67,775.45x = 1,815,315,451.21
  5. Step 5: Solve for x
    x = 1,815,315,451.21/67,775.45
  6. Step 6: Final answer
    x = 26,784.26

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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.