Home / 66,439.52-99,698.56-26,993.60

Finding the Fourth Proportional to 66,439.52, 99,698.56 and 26,993.60

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Solution

The fourth proportional to 66,439.52, 99,698.56 and 26,993.60 is: 40,506.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,439.52 : 99,698.56 = 26,993.60 : x
  2. Step 2: Convert to fraction form
    66,439.52/99,698.56 = 26,993.60/x
  3. Step 3: Cross multiply
    66,439.52x = 99,698.56 × 26,993.60
  4. Step 4: Simplify right side
    66,439.52x = 2,691,223,049.22
  5. Step 5: Solve for x
    x = 2,691,223,049.22/66,439.52
  6. Step 6: Final answer
    x = 40,506.36

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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.