Home / 117,640.35-162,343.89-63,926.01

Finding the Fourth Proportional to 117,640.35, 162,343.89 and 63,926.01

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Solution

The fourth proportional to 117,640.35, 162,343.89 and 63,926.01 is: 88,218.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,640.35 : 162,343.89 = 63,926.01 : x
  2. Step 2: Convert to fraction form
    117,640.35/162,343.89 = 63,926.01/x
  3. Step 3: Cross multiply
    117,640.35x = 162,343.89 × 63,926.01
  4. Step 4: Simplify right side
    117,640.35x = 10,377,997,135.58
  5. Step 5: Solve for x
    x = 10,377,997,135.58/117,640.35
  6. Step 6: Final answer
    x = 88,218.01

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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.