Home / 45,531.87-68,199.39-29,719.86

Finding the Fourth Proportional to 45,531.87, 68,199.39 and 29,719.86

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Solution

The fourth proportional to 45,531.87, 68,199.39 and 29,719.86 is: 44,515.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,531.87 : 68,199.39 = 29,719.86 : x
  2. Step 2: Convert to fraction form
    45,531.87/68,199.39 = 29,719.86/x
  3. Step 3: Cross multiply
    45,531.87x = 68,199.39 × 29,719.86
  4. Step 4: Simplify right side
    45,531.87x = 2,026,876,322.89
  5. Step 5: Solve for x
    x = 2,026,876,322.89/45,531.87
  6. Step 6: Final answer
    x = 44,515.55

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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.