Home / 102,383.08-141,305.68-59,388.01

Finding the Fourth Proportional to 102,383.08, 141,305.68 and 59,388.01

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Solution

The fourth proportional to 102,383.08, 141,305.68 and 59,388.01 is: 81,965.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,383.08 : 141,305.68 = 59,388.01 : x
  2. Step 2: Convert to fraction form
    102,383.08/141,305.68 = 59,388.01/x
  3. Step 3: Cross multiply
    102,383.08x = 141,305.68 × 59,388.01
  4. Step 4: Simplify right side
    102,383.08x = 8,391,863,136.90
  5. Step 5: Solve for x
    x = 8,391,863,136.90/102,383.08
  6. Step 6: Final answer
    x = 81,965.33

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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.