Home / 69,432.66-103,556.61-68,233.05

Finding the Fourth Proportional to 69,432.66, 103,556.61 and 68,233.05

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Solution

The fourth proportional to 69,432.66, 103,556.61 and 68,233.05 is: 101,767.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,432.66 : 103,556.61 = 68,233.05 : x
  2. Step 2: Convert to fraction form
    69,432.66/103,556.61 = 68,233.05/x
  3. Step 3: Cross multiply
    69,432.66x = 103,556.61 × 68,233.05
  4. Step 4: Simplify right side
    69,432.66x = 7,065,983,347.96
  5. Step 5: Solve for x
    x = 7,065,983,347.96/69,432.66
  6. Step 6: Final answer
    x = 101,767.43

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.