Home / 56,118.20-84,350.10-53,007.80

Finding the Fourth Proportional to 56,118.20, 84,350.10 and 53,007.80

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Solution

The fourth proportional to 56,118.20, 84,350.10 and 53,007.80 is: 79,674.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,118.20 : 84,350.10 = 53,007.80 : x
  2. Step 2: Convert to fraction form
    56,118.20/84,350.10 = 53,007.80/x
  3. Step 3: Cross multiply
    56,118.20x = 84,350.10 × 53,007.80
  4. Step 4: Simplify right side
    56,118.20x = 4,471,213,230.78
  5. Step 5: Solve for x
    x = 4,471,213,230.78/56,118.20
  6. Step 6: Final answer
    x = 79,674.92

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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.