Home / 53,112.94-79,718.68-26,836.13

Finding the Fourth Proportional to 53,112.94, 79,718.68 and 26,836.13

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Solution

The fourth proportional to 53,112.94, 79,718.68 and 26,836.13 is: 40,279.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,112.94 : 79,718.68 = 26,836.13 : x
  2. Step 2: Convert to fraction form
    53,112.94/79,718.68 = 26,836.13/x
  3. Step 3: Cross multiply
    53,112.94x = 79,718.68 × 26,836.13
  4. Step 4: Simplify right side
    53,112.94x = 2,139,340,859.91
  5. Step 5: Solve for x
    x = 2,139,340,859.91/53,112.94
  6. Step 6: Final answer
    x = 40,279.09

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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.