Home / 50,842.20-70,161.38-27,871.86

Finding the Fourth Proportional to 50,842.20, 70,161.38 and 27,871.86

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Solution

The fourth proportional to 50,842.20, 70,161.38 and 27,871.86 is: 38,462.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,842.20 : 70,161.38 = 27,871.86 : x
  2. Step 2: Convert to fraction form
    50,842.20/70,161.38 = 27,871.86/x
  3. Step 3: Cross multiply
    50,842.20x = 70,161.38 × 27,871.86
  4. Step 4: Simplify right side
    50,842.20x = 1,955,528,230.45
  5. Step 5: Solve for x
    x = 1,955,528,230.45/50,842.20
  6. Step 6: Final answer
    x = 38,462.70

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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.