Home / 56,178.41-77,542.20-33,229.49

Finding the Fourth Proportional to 56,178.41, 77,542.20 and 33,229.49

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Solution

The fourth proportional to 56,178.41, 77,542.20 and 33,229.49 is: 45,866.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,178.41 : 77,542.20 = 33,229.49 : x
  2. Step 2: Convert to fraction form
    56,178.41/77,542.20 = 33,229.49/x
  3. Step 3: Cross multiply
    56,178.41x = 77,542.20 × 33,229.49
  4. Step 4: Simplify right side
    56,178.41x = 2,576,687,371.77
  5. Step 5: Solve for x
    x = 2,576,687,371.77/56,178.41
  6. Step 6: Final answer
    x = 45,866.15

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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.