Home / 99,394.70-148,996.67-43,179.08

Finding the Fourth Proportional to 99,394.70, 148,996.67 and 43,179.08

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Solution

The fourth proportional to 99,394.70, 148,996.67 and 43,179.08 is: 64,727.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    99,394.70 : 148,996.67 = 43,179.08 : x
  2. Step 2: Convert to fraction form
    99,394.70/148,996.67 = 43,179.08/x
  3. Step 3: Cross multiply
    99,394.70x = 148,996.67 × 43,179.08
  4. Step 4: Simplify right side
    99,394.70x = 6,433,538,172.78
  5. Step 5: Solve for x
    x = 6,433,538,172.78/99,394.70
  6. Step 6: Final answer
    x = 64,727.18

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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.