Home / 57,161.09-78,882.15-32,961.94

Finding the Fourth Proportional to 57,161.09, 78,882.15 and 32,961.94

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Solution

The fourth proportional to 57,161.09, 78,882.15 and 32,961.94 is: 45,487.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,161.09 : 78,882.15 = 32,961.94 : x
  2. Step 2: Convert to fraction form
    57,161.09/78,882.15 = 32,961.94/x
  3. Step 3: Cross multiply
    57,161.09x = 78,882.15 × 32,961.94
  4. Step 4: Simplify right side
    57,161.09x = 2,600,108,621.77
  5. Step 5: Solve for x
    x = 2,600,108,621.77/57,161.09
  6. Step 6: Final answer
    x = 45,487.39

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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.