Home / 117,982.17-162,815.82-64,266.66

Finding the Fourth Proportional to 117,982.17, 162,815.82 and 64,266.66

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Solution

The fourth proportional to 117,982.17, 162,815.82 and 64,266.66 is: 88,688.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,982.17 : 162,815.82 = 64,266.66 : x
  2. Step 2: Convert to fraction form
    117,982.17/162,815.82 = 64,266.66/x
  3. Step 3: Cross multiply
    117,982.17x = 162,815.82 × 64,266.66
  4. Step 4: Simplify right side
    117,982.17x = 10,463,628,946.56
  5. Step 5: Solve for x
    x = 10,463,628,946.56/117,982.17
  6. Step 6: Final answer
    x = 88,688.22

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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.