Home / 69,723.28-104,597.88-28,199.44

Finding the Fourth Proportional to 69,723.28, 104,597.88 and 28,199.44

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Solution

The fourth proportional to 69,723.28, 104,597.88 and 28,199.44 is: 42,304.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,723.28 : 104,597.88 = 28,199.44 : x
  2. Step 2: Convert to fraction form
    69,723.28/104,597.88 = 28,199.44/x
  3. Step 3: Cross multiply
    69,723.28x = 104,597.88 × 28,199.44
  4. Step 4: Simplify right side
    69,723.28x = 2,949,601,641.19
  5. Step 5: Solve for x
    x = 2,949,601,641.19/69,723.28
  6. Step 6: Final answer
    x = 42,304.40

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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.