Home / 57,389.47-79,144.49-35,872.36

Finding the Fourth Proportional to 57,389.47, 79,144.49 and 35,872.36

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Solution

The fourth proportional to 57,389.47, 79,144.49 and 35,872.36 is: 49,470.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,389.47 : 79,144.49 = 35,872.36 : x
  2. Step 2: Convert to fraction form
    57,389.47/79,144.49 = 35,872.36/x
  3. Step 3: Cross multiply
    57,389.47x = 79,144.49 × 35,872.36
  4. Step 4: Simplify right side
    57,389.47x = 2,839,099,637.30
  5. Step 5: Solve for x
    x = 2,839,099,637.30/57,389.47
  6. Step 6: Final answer
    x = 49,470.74

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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.