Home / 84,653.35-126,881.38-68,032.15

Finding the Fourth Proportional to 84,653.35, 126,881.38 and 68,032.15

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Solution

The fourth proportional to 84,653.35, 126,881.38 and 68,032.15 is: 101,968.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,653.35 : 126,881.38 = 68,032.15 : x
  2. Step 2: Convert to fraction form
    84,653.35/126,881.38 = 68,032.15/x
  3. Step 3: Cross multiply
    84,653.35x = 126,881.38 × 68,032.15
  4. Step 4: Simplify right side
    84,653.35x = 8,632,013,076.37
  5. Step 5: Solve for x
    x = 8,632,013,076.37/84,653.35
  6. Step 6: Final answer
    x = 101,968.95

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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.