Home / 117,982.36-162,814.82-64,267.21

Finding the Fourth Proportional to 117,982.36, 162,814.82 and 64,267.21

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Solution

The fourth proportional to 117,982.36, 162,814.82 and 64,267.21 is: 88,688.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,982.36 : 162,814.82 = 64,267.21 : x
  2. Step 2: Convert to fraction form
    117,982.36/162,814.82 = 64,267.21/x
  3. Step 3: Cross multiply
    117,982.36x = 162,814.82 × 64,267.21
  4. Step 4: Simplify right side
    117,982.36x = 10,463,654,228.05
  5. Step 5: Solve for x
    x = 10,463,654,228.05/117,982.36
  6. Step 6: Final answer
    x = 88,688.29

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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.