Home / 68,143.83-94,013.26-68,038.74

Finding the Fourth Proportional to 68,143.83, 94,013.26 and 68,038.74

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Solution

The fourth proportional to 68,143.83, 94,013.26 and 68,038.74 is: 93,868.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,143.83 : 94,013.26 = 68,038.74 : x
  2. Step 2: Convert to fraction form
    68,143.83/94,013.26 = 68,038.74/x
  3. Step 3: Cross multiply
    68,143.83x = 94,013.26 × 68,038.74
  4. Step 4: Simplify right side
    68,143.83x = 6,396,542,943.43
  5. Step 5: Solve for x
    x = 6,396,542,943.43/68,143.83
  6. Step 6: Final answer
    x = 93,868.26

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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.