Home / 73,084.46-109,665.14-51,874.20

Finding the Fourth Proportional to 73,084.46, 109,665.14 and 51,874.20

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Solution

The fourth proportional to 73,084.46, 109,665.14 and 51,874.20 is: 77,838.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,084.46 : 109,665.14 = 51,874.20 : x
  2. Step 2: Convert to fraction form
    73,084.46/109,665.14 = 51,874.20/x
  3. Step 3: Cross multiply
    73,084.46x = 109,665.14 × 51,874.20
  4. Step 4: Simplify right side
    73,084.46x = 5,688,791,146.02
  5. Step 5: Solve for x
    x = 5,688,791,146.02/73,084.46
  6. Step 6: Final answer
    x = 77,838.59

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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.