Home / 117,971.14-162,799.32-64,255.96

Finding the Fourth Proportional to 117,971.14, 162,799.32 and 64,255.96

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Solution

The fourth proportional to 117,971.14, 162,799.32 and 64,255.96 is: 88,672.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,971.14 : 162,799.32 = 64,255.96 : x
  2. Step 2: Convert to fraction form
    117,971.14/162,799.32 = 64,255.96/x
  3. Step 3: Cross multiply
    117,971.14x = 162,799.32 × 64,255.96
  4. Step 4: Simplify right side
    117,971.14x = 10,460,826,593.95
  5. Step 5: Solve for x
    x = 10,460,826,593.95/117,971.14
  6. Step 6: Final answer
    x = 88,672.76

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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.