Home / 86,154.84-118,896.46-52,169.67

Finding the Fourth Proportional to 86,154.84, 118,896.46 and 52,169.67

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Solution

The fourth proportional to 86,154.84, 118,896.46 and 52,169.67 is: 71,995.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,154.84 : 118,896.46 = 52,169.67 : x
  2. Step 2: Convert to fraction form
    86,154.84/118,896.46 = 52,169.67/x
  3. Step 3: Cross multiply
    86,154.84x = 118,896.46 × 52,169.67
  4. Step 4: Simplify right side
    86,154.84x = 6,202,788,951.94
  5. Step 5: Solve for x
    x = 6,202,788,951.94/86,154.84
  6. Step 6: Final answer
    x = 71,995.83

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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.