Home / 63,333.20-87,400.68-39,469.52

Finding the Fourth Proportional to 63,333.20, 87,400.68 and 39,469.52

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Solution

The fourth proportional to 63,333.20, 87,400.68 and 39,469.52 is: 54,468.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,333.20 : 87,400.68 = 39,469.52 : x
  2. Step 2: Convert to fraction form
    63,333.20/87,400.68 = 39,469.52/x
  3. Step 3: Cross multiply
    63,333.20x = 87,400.68 × 39,469.52
  4. Step 4: Simplify right side
    63,333.20x = 3,449,662,887.27
  5. Step 5: Solve for x
    x = 3,449,662,887.27/63,333.20
  6. Step 6: Final answer
    x = 54,468.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.