Home / 57,094.08-85,610.88-20,132.16

Finding the Fourth Proportional to 57,094.08, 85,610.88 and 20,132.16

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Solution

The fourth proportional to 57,094.08, 85,610.88 and 20,132.16 is: 30,187.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,094.08 : 85,610.88 = 20,132.16 : x
  2. Step 2: Convert to fraction form
    57,094.08/85,610.88 = 20,132.16/x
  3. Step 3: Cross multiply
    57,094.08x = 85,610.88 × 20,132.16
  4. Step 4: Simplify right side
    57,094.08x = 1,723,531,933.90
  5. Step 5: Solve for x
    x = 1,723,531,933.90/57,094.08
  6. Step 6: Final answer
    x = 30,187.58

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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.