Home / 117,462.22-162,099.08-63,747.70

Finding the Fourth Proportional to 117,462.22, 162,099.08 and 63,747.70

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Solution

The fourth proportional to 117,462.22, 162,099.08 and 63,747.70 is: 87,972.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,462.22 : 162,099.08 = 63,747.70 : x
  2. Step 2: Convert to fraction form
    117,462.22/162,099.08 = 63,747.70/x
  3. Step 3: Cross multiply
    117,462.22x = 162,099.08 × 63,747.70
  4. Step 4: Simplify right side
    117,462.22x = 10,333,443,522.12
  5. Step 5: Solve for x
    x = 10,333,443,522.12/117,462.22
  6. Step 6: Final answer
    x = 87,972.49

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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.