Home / 87,084.84-130,659.78-49,621.80

Finding the Fourth Proportional to 87,084.84, 130,659.78 and 49,621.80

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Solution

The fourth proportional to 87,084.84, 130,659.78 and 49,621.80 is: 74,451.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,084.84 : 130,659.78 = 49,621.80 : x
  2. Step 2: Convert to fraction form
    87,084.84/130,659.78 = 49,621.80/x
  3. Step 3: Cross multiply
    87,084.84x = 130,659.78 × 49,621.80
  4. Step 4: Simplify right side
    87,084.84x = 6,483,573,471.20
  5. Step 5: Solve for x
    x = 6,483,573,471.20/87,084.84
  6. Step 6: Final answer
    x = 74,451.23

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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.