Home / 53,379.94-79,953.27-27,039.46

Finding the Fourth Proportional to 53,379.94, 79,953.27 and 27,039.46

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Solution

The fourth proportional to 53,379.94, 79,953.27 and 27,039.46 is: 40,500.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,379.94 : 79,953.27 = 27,039.46 : x
  2. Step 2: Convert to fraction form
    53,379.94/79,953.27 = 27,039.46/x
  3. Step 3: Cross multiply
    53,379.94x = 79,953.27 × 27,039.46
  4. Step 4: Simplify right side
    53,379.94x = 2,161,893,246.03
  5. Step 5: Solve for x
    x = 2,161,893,246.03/53,379.94
  6. Step 6: Final answer
    x = 40,500.11

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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.