Home / 48,750.13-67,250.24-31,782.79

Finding the Fourth Proportional to 48,750.13, 67,250.24 and 31,782.79

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Solution

The fourth proportional to 48,750.13, 67,250.24 and 31,782.79 is: 43,843.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,750.13 : 67,250.24 = 31,782.79 : x
  2. Step 2: Convert to fraction form
    48,750.13/67,250.24 = 31,782.79/x
  3. Step 3: Cross multiply
    48,750.13x = 67,250.24 × 31,782.79
  4. Step 4: Simplify right side
    48,750.13x = 2,137,399,928.33
  5. Step 5: Solve for x
    x = 2,137,399,928.33/48,750.13
  6. Step 6: Final answer
    x = 43,843.99

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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.