Home / 89,603.88-123,633.51-51,856.26

Finding the Fourth Proportional to 89,603.88, 123,633.51 and 51,856.26

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Solution

The fourth proportional to 89,603.88, 123,633.51 and 51,856.26 is: 71,550.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,603.88 : 123,633.51 = 51,856.26 : x
  2. Step 2: Convert to fraction form
    89,603.88/123,633.51 = 51,856.26/x
  3. Step 3: Cross multiply
    89,603.88x = 123,633.51 × 51,856.26
  4. Step 4: Simplify right side
    89,603.88x = 6,411,171,439.27
  5. Step 5: Solve for x
    x = 6,411,171,439.27/89,603.88
  6. Step 6: Final answer
    x = 71,550.15

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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.