Home / 50,658.56-75,641.92-45,359.36

Finding the Fourth Proportional to 50,658.56, 75,641.92 and 45,359.36

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Solution

The fourth proportional to 50,658.56, 75,641.92 and 45,359.36 is: 67,729.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,658.56 : 75,641.92 = 45,359.36 : x
  2. Step 2: Convert to fraction form
    50,658.56/75,641.92 = 45,359.36/x
  3. Step 3: Cross multiply
    50,658.56x = 75,641.92 × 45,359.36
  4. Step 4: Simplify right side
    50,658.56x = 3,431,069,080.37
  5. Step 5: Solve for x
    x = 3,431,069,080.37/50,658.56
  6. Step 6: Final answer
    x = 67,729.31

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.