Home / 103,536.70-155,305.05-61,546.30

Finding the Fourth Proportional to 103,536.70, 155,305.05 and 61,546.30

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Solution

The fourth proportional to 103,536.70, 155,305.05 and 61,546.30 is: 92,319.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,536.70 : 155,305.05 = 61,546.30 : x
  2. Step 2: Convert to fraction form
    103,536.70/155,305.05 = 61,546.30/x
  3. Step 3: Cross multiply
    103,536.70x = 155,305.05 × 61,546.30
  4. Step 4: Simplify right side
    103,536.70x = 9,558,451,198.82
  5. Step 5: Solve for x
    x = 9,558,451,198.82/103,536.70
  6. Step 6: Final answer
    x = 92,319.45

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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.