Home / 58,121.15-87,182.53-33,131.43

Finding the Fourth Proportional to 58,121.15, 87,182.53 and 33,131.43

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Solution

The fourth proportional to 58,121.15, 87,182.53 and 33,131.43 is: 49,697.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,121.15 : 87,182.53 = 33,131.43 : x
  2. Step 2: Convert to fraction form
    58,121.15/87,182.53 = 33,131.43/x
  3. Step 3: Cross multiply
    58,121.15x = 87,182.53 × 33,131.43
  4. Step 4: Simplify right side
    58,121.15x = 2,888,481,807.09
  5. Step 5: Solve for x
    x = 2,888,481,807.09/58,121.15
  6. Step 6: Final answer
    x = 49,697.61

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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.