Home / 54,772.16-82,141.80-28,462.56

Finding the Fourth Proportional to 54,772.16, 82,141.80 and 28,462.56

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Solution

The fourth proportional to 54,772.16, 82,141.80 and 28,462.56 is: 42,685.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,772.16 : 82,141.80 = 28,462.56 : x
  2. Step 2: Convert to fraction form
    54,772.16/82,141.80 = 28,462.56/x
  3. Step 3: Cross multiply
    54,772.16x = 82,141.80 × 28,462.56
  4. Step 4: Simplify right side
    54,772.16x = 2,337,965,911.01
  5. Step 5: Solve for x
    x = 2,337,965,911.01/54,772.16
  6. Step 6: Final answer
    x = 42,685.30

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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.