Home / 57,421.64-86,149.20-35,249.24

Finding the Fourth Proportional to 57,421.64, 86,149.20 and 35,249.24

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Solution

The fourth proportional to 57,421.64, 86,149.20 and 35,249.24 is: 52,884.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,421.64 : 86,149.20 = 35,249.24 : x
  2. Step 2: Convert to fraction form
    57,421.64/86,149.20 = 35,249.24/x
  3. Step 3: Cross multiply
    57,421.64x = 86,149.20 × 35,249.24
  4. Step 4: Simplify right side
    57,421.64x = 3,036,693,826.61
  5. Step 5: Solve for x
    x = 3,036,693,826.61/57,421.64
  6. Step 6: Final answer
    x = 52,884.14

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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.