Home / 89,537.37-123,579.14-51,322.55

Finding the Fourth Proportional to 89,537.37, 123,579.14 and 51,322.55

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Solution

The fourth proportional to 89,537.37, 123,579.14 and 51,322.55 is: 70,835.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,537.37 : 123,579.14 = 51,322.55 : x
  2. Step 2: Convert to fraction form
    89,537.37/123,579.14 = 51,322.55/x
  3. Step 3: Cross multiply
    89,537.37x = 123,579.14 × 51,322.55
  4. Step 4: Simplify right side
    89,537.37x = 6,342,395,717.10
  5. Step 5: Solve for x
    x = 6,342,395,717.10/89,537.37
  6. Step 6: Final answer
    x = 70,835.18

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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.