Home / 55,250.88-76,243.44-31,374.48

Finding the Fourth Proportional to 55,250.88, 76,243.44 and 31,374.48

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Solution

The fourth proportional to 55,250.88, 76,243.44 and 31,374.48 is: 43,295.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,250.88 : 76,243.44 = 31,374.48 : x
  2. Step 2: Convert to fraction form
    55,250.88/76,243.44 = 31,374.48/x
  3. Step 3: Cross multiply
    55,250.88x = 76,243.44 × 31,374.48
  4. Step 4: Simplify right side
    55,250.88x = 2,392,098,283.41
  5. Step 5: Solve for x
    x = 2,392,098,283.41/55,250.88
  6. Step 6: Final answer
    x = 43,295.21

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1.5x scale

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.