Home / 101,987.35-152,921.63-39,584.95

Finding the Fourth Proportional to 101,987.35, 152,921.63 and 39,584.95

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Solution

The fourth proportional to 101,987.35, 152,921.63 and 39,584.95 is: 59,354.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,987.35 : 152,921.63 = 39,584.95 : x
  2. Step 2: Convert to fraction form
    101,987.35/152,921.63 = 39,584.95/x
  3. Step 3: Cross multiply
    101,987.35x = 152,921.63 × 39,584.95
  4. Step 4: Simplify right side
    101,987.35x = 6,053,394,879.54
  5. Step 5: Solve for x
    x = 6,053,394,879.54/101,987.35
  6. Step 6: Final answer
    x = 59,354.37

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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.