Home / 108,525.60-162,707.40-55,972.80

Finding the Fourth Proportional to 108,525.60, 162,707.40 and 55,972.80

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Solution

The fourth proportional to 108,525.60, 162,707.40 and 55,972.80 is: 83,917.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,525.60 : 162,707.40 = 55,972.80 : x
  2. Step 2: Convert to fraction form
    108,525.60/162,707.40 = 55,972.80/x
  3. Step 3: Cross multiply
    108,525.60x = 162,707.40 × 55,972.80
  4. Step 4: Simplify right side
    108,525.60x = 9,107,188,758.72
  5. Step 5: Solve for x
    x = 9,107,188,758.72/108,525.60
  6. Step 6: Final answer
    x = 83,917.42

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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.