Home / 87,554.61-120,828.24-49,314.87

Finding the Fourth Proportional to 87,554.61, 120,828.24 and 49,314.87

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Solution

The fourth proportional to 87,554.61, 120,828.24 and 49,314.87 is: 68,056.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,554.61 : 120,828.24 = 49,314.87 : x
  2. Step 2: Convert to fraction form
    87,554.61/120,828.24 = 49,314.87/x
  3. Step 3: Cross multiply
    87,554.61x = 120,828.24 × 49,314.87
  4. Step 4: Simplify right side
    87,554.61x = 5,958,628,947.93
  5. Step 5: Solve for x
    x = 5,958,628,947.93/87,554.61
  6. Step 6: Final answer
    x = 68,056.14

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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.