Home / 82,717.79-114,119.62-48,705.48

Finding the Fourth Proportional to 82,717.79, 114,119.62 and 48,705.48

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Solution

The fourth proportional to 82,717.79, 114,119.62 and 48,705.48 is: 67,195.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,717.79 : 114,119.62 = 48,705.48 : x
  2. Step 2: Convert to fraction form
    82,717.79/114,119.62 = 48,705.48/x
  3. Step 3: Cross multiply
    82,717.79x = 114,119.62 × 48,705.48
  4. Step 4: Simplify right side
    82,717.79x = 5,558,250,747.75
  5. Step 5: Solve for x
    x = 5,558,250,747.75/82,717.79
  6. Step 6: Final answer
    x = 67,195.35

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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.