Home / 47,157.57-70,736.37-12,097.22

Finding the Fourth Proportional to 47,157.57, 70,736.37 and 12,097.22

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Solution

The fourth proportional to 47,157.57, 70,736.37 and 12,097.22 is: 18,145.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,157.57 : 70,736.37 = 12,097.22 : x
  2. Step 2: Convert to fraction form
    47,157.57/70,736.37 = 12,097.22/x
  3. Step 3: Cross multiply
    47,157.57x = 70,736.37 × 12,097.22
  4. Step 4: Simplify right side
    47,157.57x = 855,713,429.89
  5. Step 5: Solve for x
    x = 855,713,429.89/47,157.57
  6. Step 6: Final answer
    x = 18,145.83

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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.