Home / 87,083.36-120,006.54-58,739.84

Finding the Fourth Proportional to 87,083.36, 120,006.54 and 58,739.84

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Solution

The fourth proportional to 87,083.36, 120,006.54 and 58,739.84 is: 80,947.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,083.36 : 120,006.54 = 58,739.84 : x
  2. Step 2: Convert to fraction form
    87,083.36/120,006.54 = 58,739.84/x
  3. Step 3: Cross multiply
    87,083.36x = 120,006.54 × 58,739.84
  4. Step 4: Simplify right side
    87,083.36x = 7,049,164,958.55
  5. Step 5: Solve for x
    x = 7,049,164,958.55/87,083.36
  6. Step 6: Final answer
    x = 80,947.32

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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.