Home / 119,790.24-165,311.52-66,077.06

Finding the Fourth Proportional to 119,790.24, 165,311.52 and 66,077.06

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Solution

The fourth proportional to 119,790.24, 165,311.52 and 66,077.06 is: 91,186.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    119,790.24 : 165,311.52 = 66,077.06 : x
  2. Step 2: Convert to fraction form
    119,790.24/165,311.52 = 66,077.06/x
  3. Step 3: Cross multiply
    119,790.24x = 165,311.52 × 66,077.06
  4. Step 4: Simplify right side
    119,790.24x = 10,923,299,225.73
  5. Step 5: Solve for x
    x = 10,923,299,225.73/119,790.24
  6. Step 6: Final answer
    x = 91,186.89

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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.