Home / 89,161.31-123,037.43-53,351.01

Finding the Fourth Proportional to 89,161.31, 123,037.43 and 53,351.01

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Solution

The fourth proportional to 89,161.31, 123,037.43 and 53,351.01 is: 73,621.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,161.31 : 123,037.43 = 53,351.01 : x
  2. Step 2: Convert to fraction form
    89,161.31/123,037.43 = 53,351.01/x
  3. Step 3: Cross multiply
    89,161.31x = 123,037.43 × 53,351.01
  4. Step 4: Simplify right side
    89,161.31x = 6,564,170,891.55
  5. Step 5: Solve for x
    x = 6,564,170,891.55/89,161.31
  6. Step 6: Final answer
    x = 73,621.30

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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.