Home / 117,552.21-162,232.10-66,573.96

Finding the Fourth Proportional to 117,552.21, 162,232.10 and 66,573.96

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Solution

The fourth proportional to 117,552.21, 162,232.10 and 66,573.96 is: 91,877.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,552.21 : 162,232.10 = 66,573.96 : x
  2. Step 2: Convert to fraction form
    117,552.21/162,232.10 = 66,573.96/x
  3. Step 3: Cross multiply
    117,552.21x = 162,232.10 × 66,573.96
  4. Step 4: Simplify right side
    117,552.21x = 10,800,432,192.09
  5. Step 5: Solve for x
    x = 10,800,432,192.09/117,552.21
  6. Step 6: Final answer
    x = 91,877.75

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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.