Home / 117,694.76-162,415.35-66,712.19

Finding the Fourth Proportional to 117,694.76, 162,415.35 and 66,712.19

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Solution

The fourth proportional to 117,694.76, 162,415.35 and 66,712.19 is: 92,060.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,694.76 : 162,415.35 = 66,712.19 : x
  2. Step 2: Convert to fraction form
    117,694.76/162,415.35 = 66,712.19/x
  3. Step 3: Cross multiply
    117,694.76x = 162,415.35 × 66,712.19
  4. Step 4: Simplify right side
    117,694.76x = 10,835,082,876.04
  5. Step 5: Solve for x
    x = 10,835,082,876.04/117,694.76
  6. Step 6: Final answer
    x = 92,060.88

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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.