Home / 69,449.32-95,835.07-40,770.15

Finding the Fourth Proportional to 69,449.32, 95,835.07 and 40,770.15

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Solution

The fourth proportional to 69,449.32, 95,835.07 and 40,770.15 is: 56,259.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,449.32 : 95,835.07 = 40,770.15 : x
  2. Step 2: Convert to fraction form
    69,449.32/95,835.07 = 40,770.15/x
  3. Step 3: Cross multiply
    69,449.32x = 95,835.07 × 40,770.15
  4. Step 4: Simplify right side
    69,449.32x = 3,907,210,179.16
  5. Step 5: Solve for x
    x = 3,907,210,179.16/69,449.32
  6. Step 6: Final answer
    x = 56,259.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.