Home / 87,288.06-120,448.16-58,601.92

Finding the Fourth Proportional to 87,288.06, 120,448.16 and 58,601.92

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Solution

The fourth proportional to 87,288.06, 120,448.16 and 58,601.92 is: 80,864.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,288.06 : 120,448.16 = 58,601.92 : x
  2. Step 2: Convert to fraction form
    87,288.06/120,448.16 = 58,601.92/x
  3. Step 3: Cross multiply
    87,288.06x = 120,448.16 × 58,601.92
  4. Step 4: Simplify right side
    87,288.06x = 7,058,493,436.47
  5. Step 5: Solve for x
    x = 7,058,493,436.47/87,288.06
  6. Step 6: Final answer
    x = 80,864.36

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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.