Home / 68,141.25-94,038.57-39,863.34

Finding the Fourth Proportional to 68,141.25, 94,038.57 and 39,863.34

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Solution

The fourth proportional to 68,141.25, 94,038.57 and 39,863.34 is: 55,013.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,141.25 : 94,038.57 = 39,863.34 : x
  2. Step 2: Convert to fraction form
    68,141.25/94,038.57 = 39,863.34/x
  3. Step 3: Cross multiply
    68,141.25x = 94,038.57 × 39,863.34
  4. Step 4: Simplify right side
    68,141.25x = 3,748,691,489.02
  5. Step 5: Solve for x
    x = 3,748,691,489.02/68,141.25
  6. Step 6: Final answer
    x = 55,013.54

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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.