Home / 50,864.20-70,189.76-28,201.86

Finding the Fourth Proportional to 50,864.20, 70,189.76 and 28,201.86

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Solution

The fourth proportional to 50,864.20, 70,189.76 and 28,201.86 is: 38,917.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,864.20 : 70,189.76 = 28,201.86 : x
  2. Step 2: Convert to fraction form
    50,864.20/70,189.76 = 28,201.86/x
  3. Step 3: Cross multiply
    50,864.20x = 70,189.76 × 28,201.86
  4. Step 4: Simplify right side
    50,864.20x = 1,979,481,855.46
  5. Step 5: Solve for x
    x = 1,979,481,855.46/50,864.20
  6. Step 6: Final answer
    x = 38,917.00

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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.