Home / 57,991.20-80,039.52-37,851.36

Finding the Fourth Proportional to 57,991.20, 80,039.52 and 37,851.36

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Solution

The fourth proportional to 57,991.20, 80,039.52 and 37,851.36 is: 52,242.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,991.20 : 80,039.52 = 37,851.36 : x
  2. Step 2: Convert to fraction form
    57,991.20/80,039.52 = 37,851.36/x
  3. Step 3: Cross multiply
    57,991.20x = 80,039.52 × 37,851.36
  4. Step 4: Simplify right side
    57,991.20x = 3,029,604,685.75
  5. Step 5: Solve for x
    x = 3,029,604,685.75/57,991.20
  6. Step 6: Final answer
    x = 52,242.49

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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.