Home / 51,389.52-77,083.47-27,708.09

Finding the Fourth Proportional to 51,389.52, 77,083.47 and 27,708.09

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Solution

The fourth proportional to 51,389.52, 77,083.47 and 27,708.09 is: 41,561.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,389.52 : 77,083.47 = 27,708.09 : x
  2. Step 2: Convert to fraction form
    51,389.52/77,083.47 = 27,708.09/x
  3. Step 3: Cross multiply
    51,389.52x = 77,083.47 × 27,708.09
  4. Step 4: Simplify right side
    51,389.52x = 2,135,835,724.27
  5. Step 5: Solve for x
    x = 2,135,835,724.27/51,389.52
  6. Step 6: Final answer
    x = 41,561.70

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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.