Home / 123,531.95-185,333.39-51,470.83

Finding the Fourth Proportional to 123,531.95, 185,333.39 and 51,470.83

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Solution

The fourth proportional to 123,531.95, 185,333.39 and 51,470.83 is: 77,221.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,531.95 : 185,333.39 = 51,470.83 : x
  2. Step 2: Convert to fraction form
    123,531.95/185,333.39 = 51,470.83/x
  3. Step 3: Cross multiply
    123,531.95x = 185,333.39 × 51,470.83
  4. Step 4: Simplify right side
    123,531.95x = 9,539,263,504.96
  5. Step 5: Solve for x
    x = 9,539,263,504.96/123,531.95
  6. Step 6: Final answer
    x = 77,221.02

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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.