Home / 45,958.78-68,996.50-39,077.02

Finding the Fourth Proportional to 45,958.78, 68,996.50 and 39,077.02

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Solution

The fourth proportional to 45,958.78, 68,996.50 and 39,077.02 is: 58,665.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,958.78 : 68,996.50 = 39,077.02 : x
  2. Step 2: Convert to fraction form
    45,958.78/68,996.50 = 39,077.02/x
  3. Step 3: Cross multiply
    45,958.78x = 68,996.50 × 39,077.02
  4. Step 4: Simplify right side
    45,958.78x = 2,696,177,340.25
  5. Step 5: Solve for x
    x = 2,696,177,340.25/45,958.78
  6. Step 6: Final answer
    x = 58,665.12

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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.