Home / 119,774.49-165,289.58-66,060.96

Finding the Fourth Proportional to 119,774.49, 165,289.58 and 66,060.96

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Solution

The fourth proportional to 119,774.49, 165,289.58 and 66,060.96 is: 91,164.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,774.49 : 165,289.58 = 66,060.96 : x
  2. Step 2: Convert to fraction form
    119,774.49/165,289.58 = 66,060.96/x
  3. Step 3: Cross multiply
    119,774.49x = 165,289.58 × 66,060.96
  4. Step 4: Simplify right side
    119,774.49x = 10,919,188,332.80
  5. Step 5: Solve for x
    x = 10,919,188,332.80/119,774.49
  6. Step 6: Final answer
    x = 91,164.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.