Home / 110,535.17-165,786.60-54,360.20

Finding the Fourth Proportional to 110,535.17, 165,786.60 and 54,360.20

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Solution

The fourth proportional to 110,535.17, 165,786.60 and 54,360.20 is: 81,532.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,535.17 : 165,786.60 = 54,360.20 : x
  2. Step 2: Convert to fraction form
    110,535.17/165,786.60 = 54,360.20/x
  3. Step 3: Cross multiply
    110,535.17x = 165,786.60 × 54,360.20
  4. Step 4: Simplify right side
    110,535.17x = 9,012,192,113.31
  5. Step 5: Solve for x
    x = 9,012,192,113.31/110,535.17
  6. Step 6: Final answer
    x = 81,532.35

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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.