Home / 57,191.12-85,777.08-15,630.80

Finding the Fourth Proportional to 57,191.12, 85,777.08 and 15,630.80

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Solution

The fourth proportional to 57,191.12, 85,777.08 and 15,630.80 is: 23,443.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,191.12 : 85,777.08 = 15,630.80 : x
  2. Step 2: Convert to fraction form
    57,191.12/85,777.08 = 15,630.80/x
  3. Step 3: Cross multiply
    57,191.12x = 85,777.08 × 15,630.80
  4. Step 4: Simplify right side
    57,191.12x = 1,340,764,382.06
  5. Step 5: Solve for x
    x = 1,340,764,382.06/57,191.12
  6. Step 6: Final answer
    x = 23,443.58

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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.