Home / 68,021.31-93,915.14-60,828.85

Finding the Fourth Proportional to 68,021.31, 93,915.14 and 60,828.85

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Solution

The fourth proportional to 68,021.31, 93,915.14 and 60,828.85 is: 83,984.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,021.31 : 93,915.14 = 60,828.85 : x
  2. Step 2: Convert to fraction form
    68,021.31/93,915.14 = 60,828.85/x
  3. Step 3: Cross multiply
    68,021.31x = 93,915.14 × 60,828.85
  4. Step 4: Simplify right side
    68,021.31x = 5,712,749,963.79
  5. Step 5: Solve for x
    x = 5,712,749,963.79/68,021.31
  6. Step 6: Final answer
    x = 83,984.71

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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.