Home / 87,193.32-120,362.94-58,937.28

Finding the Fourth Proportional to 87,193.32, 120,362.94 and 58,937.28

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Solution

The fourth proportional to 87,193.32, 120,362.94 and 58,937.28 is: 81,357.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,193.32 : 120,362.94 = 58,937.28 : x
  2. Step 2: Convert to fraction form
    87,193.32/120,362.94 = 58,937.28/x
  3. Step 3: Cross multiply
    87,193.32x = 120,362.94 × 58,937.28
  4. Step 4: Simplify right side
    87,193.32x = 7,093,864,296.40
  5. Step 5: Solve for x
    x = 7,093,864,296.40/87,193.32
  6. Step 6: Final answer
    x = 81,357.89

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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.