Home / 57,132.43-78,832.96-35,628.92

Finding the Fourth Proportional to 57,132.43, 78,832.96 and 35,628.92

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Solution

The fourth proportional to 57,132.43, 78,832.96 and 35,628.92 is: 49,161.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,132.43 : 78,832.96 = 35,628.92 : x
  2. Step 2: Convert to fraction form
    57,132.43/78,832.96 = 35,628.92/x
  3. Step 3: Cross multiply
    57,132.43x = 78,832.96 × 35,628.92
  4. Step 4: Simplify right side
    57,132.43x = 2,808,732,889.78
  5. Step 5: Solve for x
    x = 2,808,732,889.78/57,132.43
  6. Step 6: Final answer
    x = 49,161.80

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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.