Home / 117,743.21-162,487.07-64,029.57

Finding the Fourth Proportional to 117,743.21, 162,487.07 and 64,029.57

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Solution

The fourth proportional to 117,743.21, 162,487.07 and 64,029.57 is: 88,361.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,743.21 : 162,487.07 = 64,029.57 : x
  2. Step 2: Convert to fraction form
    117,743.21/162,487.07 = 64,029.57/x
  3. Step 3: Cross multiply
    117,743.21x = 162,487.07 × 64,029.57
  4. Step 4: Simplify right side
    117,743.21x = 10,403,976,902.51
  5. Step 5: Solve for x
    x = 10,403,976,902.51/117,743.21
  6. Step 6: Final answer
    x = 88,361.59

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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.