Home / 68,068.89-102,116.32-25,945.45

Finding the Fourth Proportional to 68,068.89, 102,116.32 and 25,945.45

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Solution

The fourth proportional to 68,068.89, 102,116.32 and 25,945.45 is: 38,923.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,068.89 : 102,116.32 = 25,945.45 : x
  2. Step 2: Convert to fraction form
    68,068.89/102,116.32 = 25,945.45/x
  3. Step 3: Cross multiply
    68,068.89x = 102,116.32 × 25,945.45
  4. Step 4: Simplify right side
    68,068.89x = 2,649,453,874.74
  5. Step 5: Solve for x
    x = 2,649,453,874.74/68,068.89
  6. Step 6: Final answer
    x = 38,923.12

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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.