Home / 73,721.10-110,253.60-61,911.30

Finding the Fourth Proportional to 73,721.10, 110,253.60 and 61,911.30

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Solution

The fourth proportional to 73,721.10, 110,253.60 and 61,911.30 is: 92,591.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,721.10 : 110,253.60 = 61,911.30 : x
  2. Step 2: Convert to fraction form
    73,721.10/110,253.60 = 61,911.30/x
  3. Step 3: Cross multiply
    73,721.10x = 110,253.60 × 61,911.30
  4. Step 4: Simplify right side
    73,721.10x = 6,825,943,705.68
  5. Step 5: Solve for x
    x = 6,825,943,705.68/73,721.10
  6. Step 6: Final answer
    x = 92,591.45

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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.