Home / 67,261.23-100,822.62-29,838.90

Finding the Fourth Proportional to 67,261.23, 100,822.62 and 29,838.90

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Solution

The fourth proportional to 67,261.23, 100,822.62 and 29,838.90 is: 44,727.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,261.23 : 100,822.62 = 29,838.90 : x
  2. Step 2: Convert to fraction form
    67,261.23/100,822.62 = 29,838.90/x
  3. Step 3: Cross multiply
    67,261.23x = 100,822.62 × 29,838.90
  4. Step 4: Simplify right side
    67,261.23x = 3,008,436,075.92
  5. Step 5: Solve for x
    x = 3,008,436,075.92/67,261.23
  6. Step 6: Final answer
    x = 44,727.64

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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.