Home / 96,880.25-145,241.96-30,286.10

Finding the Fourth Proportional to 96,880.25, 145,241.96 and 30,286.10

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Solution

The fourth proportional to 96,880.25, 145,241.96 and 30,286.10 is: 45,404.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,880.25 : 145,241.96 = 30,286.10 : x
  2. Step 2: Convert to fraction form
    96,880.25/145,241.96 = 30,286.10/x
  3. Step 3: Cross multiply
    96,880.25x = 145,241.96 × 30,286.10
  4. Step 4: Simplify right side
    96,880.25x = 4,398,812,906.79
  5. Step 5: Solve for x
    x = 4,398,812,906.79/96,880.25
  6. Step 6: Final answer
    x = 45,404.64

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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.