Home / 50,876.66-76,313.80-13,439.37

Finding the Fourth Proportional to 50,876.66, 76,313.80 and 13,439.37

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Solution

The fourth proportional to 50,876.66, 76,313.80 and 13,439.37 is: 20,158.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,876.66 : 76,313.80 = 13,439.37 : x
  2. Step 2: Convert to fraction form
    50,876.66/76,313.80 = 13,439.37/x
  3. Step 3: Cross multiply
    50,876.66x = 76,313.80 × 13,439.37
  4. Step 4: Simplify right side
    50,876.66x = 1,025,609,192.42
  5. Step 5: Solve for x
    x = 1,025,609,192.42/50,876.66
  6. Step 6: Final answer
    x = 20,158.74

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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.