Home / 69,520.29-104,280.39-60,132.39

Finding the Fourth Proportional to 69,520.29, 104,280.39 and 60,132.39

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Solution

The fourth proportional to 69,520.29, 104,280.39 and 60,132.39 is: 90,198.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,520.29 : 104,280.39 = 60,132.39 : x
  2. Step 2: Convert to fraction form
    69,520.29/104,280.39 = 60,132.39/x
  3. Step 3: Cross multiply
    69,520.29x = 104,280.39 × 60,132.39
  4. Step 4: Simplify right side
    69,520.29x = 6,270,629,080.83
  5. Step 5: Solve for x
    x = 6,270,629,080.83/69,520.29
  6. Step 6: Final answer
    x = 90,198.55

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1.5x scale

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.