Home / 75,966.81-113,930.78-35,946.33

Finding the Fourth Proportional to 75,966.81, 113,930.78 and 35,946.33

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Solution

The fourth proportional to 75,966.81, 113,930.78 and 35,946.33 is: 53,910.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,966.81 : 113,930.78 = 35,946.33 : x
  2. Step 2: Convert to fraction form
    75,966.81/113,930.78 = 35,946.33/x
  3. Step 3: Cross multiply
    75,966.81x = 113,930.78 × 35,946.33
  4. Step 4: Simplify right side
    75,966.81x = 4,095,393,235.31
  5. Step 5: Solve for x
    x = 4,095,393,235.31/75,966.81
  6. Step 6: Final answer
    x = 53,910.30

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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.