Home / 68,260.62-94,143.93-57,316.50

Finding the Fourth Proportional to 68,260.62, 94,143.93 and 57,316.50

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Solution

The fourth proportional to 68,260.62, 94,143.93 and 57,316.50 is: 79,049.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,260.62 : 94,143.93 = 57,316.50 : x
  2. Step 2: Convert to fraction form
    68,260.62/94,143.93 = 57,316.50/x
  3. Step 3: Cross multiply
    68,260.62x = 94,143.93 × 57,316.50
  4. Step 4: Simplify right side
    68,260.62x = 5,396,000,563.85
  5. Step 5: Solve for x
    x = 5,396,000,563.85/68,260.62
  6. Step 6: Final answer
    x = 79,049.98

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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.