Home / 90,556.20-135,737.10-34,374.60

Finding the Fourth Proportional to 90,556.20, 135,737.10 and 34,374.60

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Solution

The fourth proportional to 90,556.20, 135,737.10 and 34,374.60 is: 51,525.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,556.20 : 135,737.10 = 34,374.60 : x
  2. Step 2: Convert to fraction form
    90,556.20/135,737.10 = 34,374.60/x
  3. Step 3: Cross multiply
    90,556.20x = 135,737.10 × 34,374.60
  4. Step 4: Simplify right side
    90,556.20x = 4,665,908,517.66
  5. Step 5: Solve for x
    x = 4,665,908,517.66/90,556.20
  6. Step 6: Final answer
    x = 51,525.00

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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.