Home / 77,836.47-116,769.30-25,239.12

Finding the Fourth Proportional to 77,836.47, 116,769.30 and 25,239.12

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Solution

The fourth proportional to 77,836.47, 116,769.30 and 25,239.12 is: 37,863.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,836.47 : 116,769.30 = 25,239.12 : x
  2. Step 2: Convert to fraction form
    77,836.47/116,769.30 = 25,239.12/x
  3. Step 3: Cross multiply
    77,836.47x = 116,769.30 × 25,239.12
  4. Step 4: Simplify right side
    77,836.47x = 2,947,154,375.02
  5. Step 5: Solve for x
    x = 2,947,154,375.02/77,836.47
  6. Step 6: Final answer
    x = 37,863.41

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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.