Home / 60,161.78-90,331.40-33,559.75

Finding the Fourth Proportional to 60,161.78, 90,331.40 and 33,559.75

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Solution

The fourth proportional to 60,161.78, 90,331.40 and 33,559.75 is: 50,389.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,161.78 : 90,331.40 = 33,559.75 : x
  2. Step 2: Convert to fraction form
    60,161.78/90,331.40 = 33,559.75/x
  3. Step 3: Cross multiply
    60,161.78x = 90,331.40 × 33,559.75
  4. Step 4: Simplify right side
    60,161.78x = 3,031,498,581.69
  5. Step 5: Solve for x
    x = 3,031,498,581.69/60,161.78
  6. Step 6: Final answer
    x = 50,389.11

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1.5x scale

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.