Home / 50,778.71-76,178.31-34,991.30

Finding the Fourth Proportional to 50,778.71, 76,178.31 and 34,991.30

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Solution

The fourth proportional to 50,778.71, 76,178.31 and 34,991.30 is: 52,494.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,778.71 : 76,178.31 = 34,991.30 : x
  2. Step 2: Convert to fraction form
    50,778.71/76,178.31 = 34,991.30/x
  3. Step 3: Cross multiply
    50,778.71x = 76,178.31 × 34,991.30
  4. Step 4: Simplify right side
    50,778.71x = 2,665,577,717.81
  5. Step 5: Solve for x
    x = 2,665,577,717.81/50,778.71
  6. Step 6: Final answer
    x = 52,494.01

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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.