Home / 67,086.22-100,530.50-29,611.84

Finding the Fourth Proportional to 67,086.22, 100,530.50 and 29,611.84

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Solution

The fourth proportional to 67,086.22, 100,530.50 and 29,611.84 is: 44,374.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,086.22 : 100,530.50 = 29,611.84 : x
  2. Step 2: Convert to fraction form
    67,086.22/100,530.50 = 29,611.84/x
  3. Step 3: Cross multiply
    67,086.22x = 100,530.50 × 29,611.84
  4. Step 4: Simplify right side
    67,086.22x = 2,976,892,903.82
  5. Step 5: Solve for x
    x = 2,976,892,903.82/67,086.22
  6. Step 6: Final answer
    x = 44,374.14

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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.