Home / 52,231.88-72,080.52-28,358.75

Finding the Fourth Proportional to 52,231.88, 72,080.52 and 28,358.75

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Solution

The fourth proportional to 52,231.88, 72,080.52 and 28,358.75 is: 39,135.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,231.88 : 72,080.52 = 28,358.75 : x
  2. Step 2: Convert to fraction form
    52,231.88/72,080.52 = 28,358.75/x
  3. Step 3: Cross multiply
    52,231.88x = 72,080.52 × 28,358.75
  4. Step 4: Simplify right side
    52,231.88x = 2,044,113,520.41
  5. Step 5: Solve for x
    x = 2,044,113,520.41/52,231.88
  6. Step 6: Final answer
    x = 39,135.36

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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.