Home / 117,756.22-162,500.10-66,773.60

Finding the Fourth Proportional to 117,756.22, 162,500.10 and 66,773.60

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Solution

The fourth proportional to 117,756.22, 162,500.10 and 66,773.60 is: 92,145.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,756.22 : 162,500.10 = 66,773.60 : x
  2. Step 2: Convert to fraction form
    117,756.22/162,500.10 = 66,773.60/x
  3. Step 3: Cross multiply
    117,756.22x = 162,500.10 × 66,773.60
  4. Step 4: Simplify right side
    117,756.22x = 10,850,717,083.61
  5. Step 5: Solve for x
    x = 10,850,717,083.61/117,756.22
  6. Step 6: Final answer
    x = 92,145.60

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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.