Home / 117,905.27-162,712.20-64,193.23

Finding the Fourth Proportional to 117,905.27, 162,712.20 and 64,193.23

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Solution

The fourth proportional to 117,905.27, 162,712.20 and 64,193.23 is: 88,588.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,905.27 : 162,712.20 = 64,193.23 : x
  2. Step 2: Convert to fraction form
    117,905.27/162,712.20 = 64,193.23/x
  3. Step 3: Cross multiply
    117,905.27x = 162,712.20 × 64,193.23
  4. Step 4: Simplify right side
    117,905.27x = 10,445,021,357.44
  5. Step 5: Solve for x
    x = 10,445,021,357.44/117,905.27
  6. Step 6: Final answer
    x = 88,588.25

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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.