Home / 117,741.07-162,477.73-66,757.23

Finding the Fourth Proportional to 117,741.07, 162,477.73 and 66,757.23

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Solution

The fourth proportional to 117,741.07, 162,477.73 and 66,757.23 is: 92,122.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,741.07 : 162,477.73 = 66,757.23 : x
  2. Step 2: Convert to fraction form
    117,741.07/162,477.73 = 66,757.23/x
  3. Step 3: Cross multiply
    117,741.07x = 162,477.73 × 66,757.23
  4. Step 4: Simplify right side
    117,741.07x = 10,846,563,191.49
  5. Step 5: Solve for x
    x = 10,846,563,191.49/117,741.07
  6. Step 6: Final answer
    x = 92,122.17

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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.