Home / 68,243.83-102,386.07-49,311.25

Finding the Fourth Proportional to 68,243.83, 102,386.07 and 49,311.25

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Solution

The fourth proportional to 68,243.83, 102,386.07 and 49,311.25 is: 73,981.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,243.83 : 102,386.07 = 49,311.25 : x
  2. Step 2: Convert to fraction form
    68,243.83/102,386.07 = 49,311.25/x
  3. Step 3: Cross multiply
    68,243.83x = 102,386.07 × 49,311.25
  4. Step 4: Simplify right side
    68,243.83x = 5,048,784,838.32
  5. Step 5: Solve for x
    x = 5,048,784,838.32/68,243.83
  6. Step 6: Final answer
    x = 73,981.56

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.