Home / 123,961.74-185,921.10-35,194.50

Finding the Fourth Proportional to 123,961.74, 185,921.10 and 35,194.50

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Solution

The fourth proportional to 123,961.74, 185,921.10 and 35,194.50 is: 52,785.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,961.74 : 185,921.10 = 35,194.50 : x
  2. Step 2: Convert to fraction form
    123,961.74/185,921.10 = 35,194.50/x
  3. Step 3: Cross multiply
    123,961.74x = 185,921.10 × 35,194.50
  4. Step 4: Simplify right side
    123,961.74x = 6,543,400,153.95
  5. Step 5: Solve for x
    x = 6,543,400,153.95/123,961.74
  6. Step 6: Final answer
    x = 52,785.64

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.