Home / 52,252.91-72,109.55-28,380.05

Finding the Fourth Proportional to 52,252.91, 72,109.55 and 28,380.05

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Solution

The fourth proportional to 52,252.91, 72,109.55 and 28,380.05 is: 39,164.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,252.91 : 72,109.55 = 28,380.05 : x
  2. Step 2: Convert to fraction form
    52,252.91/72,109.55 = 28,380.05/x
  3. Step 3: Cross multiply
    52,252.91x = 72,109.55 × 28,380.05
  4. Step 4: Simplify right side
    52,252.91x = 2,046,472,634.48
  5. Step 5: Solve for x
    x = 2,046,472,634.48/52,252.91
  6. Step 6: Final answer
    x = 39,164.76

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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.