Home / 87,381.24-120,584.41-49,141.28

Finding the Fourth Proportional to 87,381.24, 120,584.41 and 49,141.28

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Solution

The fourth proportional to 87,381.24, 120,584.41 and 49,141.28 is: 67,814.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,381.24 : 120,584.41 = 49,141.28 : x
  2. Step 2: Convert to fraction form
    87,381.24/120,584.41 = 49,141.28/x
  3. Step 3: Cross multiply
    87,381.24x = 120,584.41 × 49,141.28
  4. Step 4: Simplify right side
    87,381.24x = 5,925,671,529.67
  5. Step 5: Solve for x
    x = 5,925,671,529.67/87,381.24
  6. Step 6: Final answer
    x = 67,814.00

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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.