Home / 87,086.84-130,662.78-49,623.80

Finding the Fourth Proportional to 87,086.84, 130,662.78 and 49,623.80

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Solution

The fourth proportional to 87,086.84, 130,662.78 and 49,623.80 is: 74,454.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,086.84 : 130,662.78 = 49,623.80 : x
  2. Step 2: Convert to fraction form
    87,086.84/130,662.78 = 49,623.80/x
  3. Step 3: Cross multiply
    87,086.84x = 130,662.78 × 49,623.80
  4. Step 4: Simplify right side
    87,086.84x = 6,483,983,662.16
  5. Step 5: Solve for x
    x = 6,483,983,662.16/87,086.84
  6. Step 6: Final answer
    x = 74,454.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.