Home / 56,764.24-78,318.24-36,632.80

Finding the Fourth Proportional to 56,764.24, 78,318.24 and 36,632.80

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Solution

The fourth proportional to 56,764.24, 78,318.24 and 36,632.80 is: 50,542.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,764.24 : 78,318.24 = 36,632.80 : x
  2. Step 2: Convert to fraction form
    56,764.24/78,318.24 = 36,632.80/x
  3. Step 3: Cross multiply
    56,764.24x = 78,318.24 × 36,632.80
  4. Step 4: Simplify right side
    56,764.24x = 2,869,016,422.27
  5. Step 5: Solve for x
    x = 2,869,016,422.27/56,764.24
  6. Step 6: Final answer
    x = 50,542.67

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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.