Home / 57,147.39-85,697.04-21,602.73

Finding the Fourth Proportional to 57,147.39, 85,697.04 and 21,602.73

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Solution

The fourth proportional to 57,147.39, 85,697.04 and 21,602.73 is: 32,395.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,147.39 : 85,697.04 = 21,602.73 : x
  2. Step 2: Convert to fraction form
    57,147.39/85,697.04 = 21,602.73/x
  3. Step 3: Cross multiply
    57,147.39x = 85,697.04 × 21,602.73
  4. Step 4: Simplify right side
    57,147.39x = 1,851,290,016.92
  5. Step 5: Solve for x
    x = 1,851,290,016.92/57,147.39
  6. Step 6: Final answer
    x = 32,395.01

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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.