Home / 117,581.22-162,264.22-66,604.55

Finding the Fourth Proportional to 117,581.22, 162,264.22 and 66,604.55

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Solution

The fourth proportional to 117,581.22, 162,264.22 and 66,604.55 is: 91,915.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,581.22 : 162,264.22 = 66,604.55 : x
  2. Step 2: Convert to fraction form
    117,581.22/162,264.22 = 66,604.55/x
  3. Step 3: Cross multiply
    117,581.22x = 162,264.22 × 66,604.55
  4. Step 4: Simplify right side
    117,581.22x = 10,807,534,376.37
  5. Step 5: Solve for x
    x = 10,807,534,376.37/117,581.22
  6. Step 6: Final answer
    x = 91,915.48

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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.