Home / 117,778.02-162,530.28-66,795.54

Finding the Fourth Proportional to 117,778.02, 162,530.28 and 66,795.54

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Solution

The fourth proportional to 117,778.02, 162,530.28 and 66,795.54 is: 92,175.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,778.02 : 162,530.28 = 66,795.54 : x
  2. Step 2: Convert to fraction form
    117,778.02/162,530.28 = 66,795.54/x
  3. Step 3: Cross multiply
    117,778.02x = 162,530.28 × 66,795.54
  4. Step 4: Simplify right side
    117,778.02x = 10,856,297,818.95
  5. Step 5: Solve for x
    x = 10,856,297,818.95/117,778.02
  6. Step 6: Final answer
    x = 92,175.92

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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.