Home / 117,414.05-162,031.87-63,699.46

Finding the Fourth Proportional to 117,414.05, 162,031.87 and 63,699.46

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Solution

The fourth proportional to 117,414.05, 162,031.87 and 63,699.46 is: 87,905.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,414.05 : 162,031.87 = 63,699.46 : x
  2. Step 2: Convert to fraction form
    117,414.05/162,031.87 = 63,699.46/x
  3. Step 3: Cross multiply
    117,414.05x = 162,031.87 × 63,699.46
  4. Step 4: Simplify right side
    117,414.05x = 10,321,342,621.79
  5. Step 5: Solve for x
    x = 10,321,342,621.79/117,414.05
  6. Step 6: Final answer
    x = 87,905.52

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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.