Home / 95,709.52-143,564.82-85,228.12

Finding the Fourth Proportional to 95,709.52, 143,564.82 and 85,228.12

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Solution

The fourth proportional to 95,709.52, 143,564.82 and 85,228.12 is: 127,842.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,709.52 : 143,564.82 = 85,228.12 : x
  2. Step 2: Convert to fraction form
    95,709.52/143,564.82 = 85,228.12/x
  3. Step 3: Cross multiply
    95,709.52x = 143,564.82 × 85,228.12
  4. Step 4: Simplify right side
    95,709.52x = 12,235,759,706.74
  5. Step 5: Solve for x
    x = 12,235,759,706.74/95,709.52
  6. Step 6: Final answer
    x = 127,842.66

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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.