Home / 56,178.10-77,556.92-38,299.37

Finding the Fourth Proportional to 56,178.10, 77,556.92 and 38,299.37

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Solution

The fourth proportional to 56,178.10, 77,556.92 and 38,299.37 is: 52,874.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,178.10 : 77,556.92 = 38,299.37 : x
  2. Step 2: Convert to fraction form
    56,178.10/77,556.92 = 38,299.37/x
  3. Step 3: Cross multiply
    56,178.10x = 77,556.92 × 38,299.37
  4. Step 4: Simplify right side
    56,178.10x = 2,970,381,177.54
  5. Step 5: Solve for x
    x = 2,970,381,177.54/56,178.10
  6. Step 6: Final answer
    x = 52,874.36

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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.