Home / 50,856.90-70,182.52-28,195.82

Finding the Fourth Proportional to 50,856.90, 70,182.52 and 28,195.82

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Solution

The fourth proportional to 50,856.90, 70,182.52 and 28,195.82 is: 38,910.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,856.90 : 70,182.52 = 28,195.82 : x
  2. Step 2: Convert to fraction form
    50,856.90/70,182.52 = 28,195.82/x
  3. Step 3: Cross multiply
    50,856.90x = 70,182.52 × 28,195.82
  4. Step 4: Simplify right side
    50,856.90x = 1,978,853,701.07
  5. Step 5: Solve for x
    x = 1,978,853,701.07/50,856.90
  6. Step 6: Final answer
    x = 38,910.23

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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.