Home / 89,203.36-123,106.08-51,480.04

Finding the Fourth Proportional to 89,203.36, 123,106.08 and 51,480.04

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Solution

The fourth proportional to 89,203.36, 123,106.08 and 51,480.04 is: 71,045.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,203.36 : 123,106.08 = 51,480.04 : x
  2. Step 2: Convert to fraction form
    89,203.36/123,106.08 = 51,480.04/x
  3. Step 3: Cross multiply
    89,203.36x = 123,106.08 × 51,480.04
  4. Step 4: Simplify right side
    89,203.36x = 6,337,505,922.64
  5. Step 5: Solve for x
    x = 6,337,505,922.64/89,203.36
  6. Step 6: Final answer
    x = 71,045.60

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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.