Home / 53,471.75-73,810.49-31,115.75

Finding the Fourth Proportional to 53,471.75, 73,810.49 and 31,115.75

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Solution

The fourth proportional to 53,471.75, 73,810.49 and 31,115.75 is: 42,951.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,471.75 : 73,810.49 = 31,115.75 : x
  2. Step 2: Convert to fraction form
    53,471.75/73,810.49 = 31,115.75/x
  3. Step 3: Cross multiply
    53,471.75x = 73,810.49 × 31,115.75
  4. Step 4: Simplify right side
    53,471.75x = 2,296,668,754.22
  5. Step 5: Solve for x
    x = 2,296,668,754.22/53,471.75
  6. Step 6: Final answer
    x = 42,951.07

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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.