Home / 68,823.05-94,980.39-38,610.50

Finding the Fourth Proportional to 68,823.05, 94,980.39 and 38,610.50

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Solution

The fourth proportional to 68,823.05, 94,980.39 and 38,610.50 is: 53,285.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,823.05 : 94,980.39 = 38,610.50 : x
  2. Step 2: Convert to fraction form
    68,823.05/94,980.39 = 38,610.50/x
  3. Step 3: Cross multiply
    68,823.05x = 94,980.39 × 38,610.50
  4. Step 4: Simplify right side
    68,823.05x = 3,667,240,348.10
  5. Step 5: Solve for x
    x = 3,667,240,348.10/68,823.05
  6. Step 6: Final answer
    x = 53,285.06

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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.