Home / 56,631.26-84,935.55-53,821.10

Finding the Fourth Proportional to 56,631.26, 84,935.55 and 53,821.10

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Solution

The fourth proportional to 56,631.26, 84,935.55 and 53,821.10 is: 80,720.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,631.26 : 84,935.55 = 53,821.10 : x
  2. Step 2: Convert to fraction form
    56,631.26/84,935.55 = 53,821.10/x
  3. Step 3: Cross multiply
    56,631.26x = 84,935.55 × 53,821.10
  4. Step 4: Simplify right side
    56,631.26x = 4,571,324,730.11
  5. Step 5: Solve for x
    x = 4,571,324,730.11/56,631.26
  6. Step 6: Final answer
    x = 80,720.87

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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.