Home / 87,192.95-120,362.83-58,936.91

Finding the Fourth Proportional to 87,192.95, 120,362.83 and 58,936.91

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Solution

The fourth proportional to 87,192.95, 120,362.83 and 58,936.91 is: 81,357.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,192.95 : 120,362.83 = 58,936.91 : x
  2. Step 2: Convert to fraction form
    87,192.95/120,362.83 = 58,936.91/x
  3. Step 3: Cross multiply
    87,192.95x = 120,362.83 × 58,936.91
  4. Step 4: Simplify right side
    87,192.95x = 7,093,813,279.06
  5. Step 5: Solve for x
    x = 7,093,813,279.06/87,192.95
  6. Step 6: Final answer
    x = 81,357.65

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1.5x scale

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.