Home / 117,741.60-162,474.93-66,755.34

Finding the Fourth Proportional to 117,741.60, 162,474.93 and 66,755.34

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Solution

The fourth proportional to 117,741.60, 162,474.93 and 66,755.34 is: 92,117.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,741.60 : 162,474.93 = 66,755.34 : x
  2. Step 2: Convert to fraction form
    117,741.60/162,474.93 = 66,755.34/x
  3. Step 3: Cross multiply
    117,741.60x = 162,474.93 × 66,755.34
  4. Step 4: Simplify right side
    117,741.60x = 10,846,069,193.63
  5. Step 5: Solve for x
    x = 10,846,069,193.63/117,741.60
  6. Step 6: Final answer
    x = 92,117.56

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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.