Home / 87,719.53-131,528.93-34,349.02

Finding the Fourth Proportional to 87,719.53, 131,528.93 and 34,349.02

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Solution

The fourth proportional to 87,719.53, 131,528.93 and 34,349.02 is: 51,503.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,719.53 : 131,528.93 = 34,349.02 : x
  2. Step 2: Convert to fraction form
    87,719.53/131,528.93 = 34,349.02/x
  3. Step 3: Cross multiply
    87,719.53x = 131,528.93 × 34,349.02
  4. Step 4: Simplify right side
    87,719.53x = 4,517,889,968.62
  5. Step 5: Solve for x
    x = 4,517,889,968.62/87,719.53
  6. Step 6: Final answer
    x = 51,503.81

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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.