Home / 53,168.20-79,733.10-26,864.20

Finding the Fourth Proportional to 53,168.20, 79,733.10 and 26,864.20

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Solution

The fourth proportional to 53,168.20, 79,733.10 and 26,864.20 is: 40,286.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,168.20 : 79,733.10 = 26,864.20 : x
  2. Step 2: Convert to fraction form
    53,168.20/79,733.10 = 26,864.20/x
  3. Step 3: Cross multiply
    53,168.20x = 79,733.10 × 26,864.20
  4. Step 4: Simplify right side
    53,168.20x = 2,141,965,945.02
  5. Step 5: Solve for x
    x = 2,141,965,945.02/53,168.20
  6. Step 6: Final answer
    x = 40,286.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.