Home / 47,986.20-71,979.30-44,195.40

Finding the Fourth Proportional to 47,986.20, 71,979.30 and 44,195.40

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Solution

The fourth proportional to 47,986.20, 71,979.30 and 44,195.40 is: 66,293.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,986.20 : 71,979.30 = 44,195.40 : x
  2. Step 2: Convert to fraction form
    47,986.20/71,979.30 = 44,195.40/x
  3. Step 3: Cross multiply
    47,986.20x = 71,979.30 × 44,195.40
  4. Step 4: Simplify right side
    47,986.20x = 3,181,153,955.22
  5. Step 5: Solve for x
    x = 3,181,153,955.22/47,986.20
  6. Step 6: Final answer
    x = 66,293.10

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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.