Home / 78,042.46-117,096.08-49,994.14

Finding the Fourth Proportional to 78,042.46, 117,096.08 and 49,994.14

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Solution

The fourth proportional to 78,042.46, 117,096.08 and 49,994.14 is: 75,011.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,042.46 : 117,096.08 = 49,994.14 : x
  2. Step 2: Convert to fraction form
    78,042.46/117,096.08 = 49,994.14/x
  3. Step 3: Cross multiply
    78,042.46x = 117,096.08 × 49,994.14
  4. Step 4: Simplify right side
    78,042.46x = 5,854,117,816.97
  5. Step 5: Solve for x
    x = 5,854,117,816.97/78,042.46
  6. Step 6: Final answer
    x = 75,011.96

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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.