Home / 57,112.40-85,668.60-50,200.40

Finding the Fourth Proportional to 57,112.40, 85,668.60 and 50,200.40

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Solution

The fourth proportional to 57,112.40, 85,668.60 and 50,200.40 is: 75,300.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,112.40 : 85,668.60 = 50,200.40 : x
  2. Step 2: Convert to fraction form
    57,112.40/85,668.60 = 50,200.40/x
  3. Step 3: Cross multiply
    57,112.40x = 85,668.60 × 50,200.40
  4. Step 4: Simplify right side
    57,112.40x = 4,300,597,987.44
  5. Step 5: Solve for x
    x = 4,300,597,987.44/57,112.40
  6. Step 6: Final answer
    x = 75,300.60

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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.