Home / 110,320.20-165,480.30-57,745.80

Finding the Fourth Proportional to 110,320.20, 165,480.30 and 57,745.80

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Solution

The fourth proportional to 110,320.20, 165,480.30 and 57,745.80 is: 86,618.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,320.20 : 165,480.30 = 57,745.80 : x
  2. Step 2: Convert to fraction form
    110,320.20/165,480.30 = 57,745.80/x
  3. Step 3: Cross multiply
    110,320.20x = 165,480.30 × 57,745.80
  4. Step 4: Simplify right side
    110,320.20x = 9,555,792,307.74
  5. Step 5: Solve for x
    x = 9,555,792,307.74/110,320.20
  6. Step 6: Final answer
    x = 86,618.70

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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.