Home / 87,240.16-120,389.52-50,947.84

Finding the Fourth Proportional to 87,240.16, 120,389.52 and 50,947.84

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Solution

The fourth proportional to 87,240.16, 120,389.52 and 50,947.84 is: 70,306.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,240.16 : 120,389.52 = 50,947.84 : x
  2. Step 2: Convert to fraction form
    87,240.16/120,389.52 = 50,947.84/x
  3. Step 3: Cross multiply
    87,240.16x = 120,389.52 × 50,947.84
  4. Step 4: Simplify right side
    87,240.16x = 6,133,586,002.64
  5. Step 5: Solve for x
    x = 6,133,586,002.64/87,240.16
  6. Step 6: Final answer
    x = 70,306.91

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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.