Home / 57,434.05-86,249.49-31,190.05

Finding the Fourth Proportional to 57,434.05, 86,249.49 and 31,190.05

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Solution

The fourth proportional to 57,434.05, 86,249.49 and 31,190.05 is: 46,838.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,434.05 : 86,249.49 = 31,190.05 : x
  2. Step 2: Convert to fraction form
    57,434.05/86,249.49 = 31,190.05/x
  3. Step 3: Cross multiply
    57,434.05x = 86,249.49 × 31,190.05
  4. Step 4: Simplify right side
    57,434.05x = 2,690,125,905.57
  5. Step 5: Solve for x
    x = 2,690,125,905.57/57,434.05
  6. Step 6: Final answer
    x = 46,838.52

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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.