Home / 123,516.44-170,453.28-66,927.92

Finding the Fourth Proportional to 123,516.44, 170,453.28 and 66,927.92

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Solution

The fourth proportional to 123,516.44, 170,453.28 and 66,927.92 is: 92,360.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,516.44 : 170,453.28 = 66,927.92 : x
  2. Step 2: Convert to fraction form
    123,516.44/170,453.28 = 66,927.92/x
  3. Step 3: Cross multiply
    123,516.44x = 170,453.28 × 66,927.92
  4. Step 4: Simplify right side
    123,516.44x = 11,408,083,487.58
  5. Step 5: Solve for x
    x = 11,408,083,487.58/123,516.44
  6. Step 6: Final answer
    x = 92,360.85

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1.5x scale

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.