Home / 117,163.90-175,754.04-47,043.21

Finding the Fourth Proportional to 117,163.90, 175,754.04 and 47,043.21

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Solution

The fourth proportional to 117,163.90, 175,754.04 and 47,043.21 is: 70,568.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,163.90 : 175,754.04 = 47,043.21 : x
  2. Step 2: Convert to fraction form
    117,163.90/175,754.04 = 47,043.21/x
  3. Step 3: Cross multiply
    117,163.90x = 175,754.04 × 47,043.21
  4. Step 4: Simplify right side
    117,163.90x = 8,268,034,212.07
  5. Step 5: Solve for x
    x = 8,268,034,212.07/117,163.90
  6. Step 6: Final answer
    x = 70,568.10

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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.