Home / 117,937.22-162,747.81-64,222.02

Finding the Fourth Proportional to 117,937.22, 162,747.81 and 64,222.02

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Solution

The fourth proportional to 117,937.22, 162,747.81 and 64,222.02 is: 88,623.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,937.22 : 162,747.81 = 64,222.02 : x
  2. Step 2: Convert to fraction form
    117,937.22/162,747.81 = 64,222.02/x
  3. Step 3: Cross multiply
    117,937.22x = 162,747.81 × 64,222.02
  4. Step 4: Simplify right side
    117,937.22x = 10,451,993,108.78
  5. Step 5: Solve for x
    x = 10,451,993,108.78/117,937.22
  6. Step 6: Final answer
    x = 88,623.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.