Home / 110,488.10-165,622.80-54,282.20

Finding the Fourth Proportional to 110,488.10, 165,622.80 and 54,282.20

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Solution

The fourth proportional to 110,488.10, 165,622.80 and 54,282.20 is: 81,369.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    110,488.10 : 165,622.80 = 54,282.20 : x
  2. Step 2: Convert to fraction form
    110,488.10/165,622.80 = 54,282.20/x
  3. Step 3: Cross multiply
    110,488.10x = 165,622.80 × 54,282.20
  4. Step 4: Simplify right side
    110,488.10x = 8,990,369,954.16
  5. Step 5: Solve for x
    x = 8,990,369,954.16/110,488.10
  6. Step 6: Final answer
    x = 81,369.58

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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.