Home / 67,719.96-101,596.20-20,972.82

Finding the Fourth Proportional to 67,719.96, 101,596.20 and 20,972.82

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Solution

The fourth proportional to 67,719.96, 101,596.20 and 20,972.82 is: 31,464.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,719.96 : 101,596.20 = 20,972.82 : x
  2. Step 2: Convert to fraction form
    67,719.96/101,596.20 = 20,972.82/x
  3. Step 3: Cross multiply
    67,719.96x = 101,596.20 × 20,972.82
  4. Step 4: Simplify right side
    67,719.96x = 2,130,758,815.28
  5. Step 5: Solve for x
    x = 2,130,758,815.28/67,719.96
  6. Step 6: Final answer
    x = 31,464.27

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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.