Home / 86,747.67-130,084.79-27,567.45

Finding the Fourth Proportional to 86,747.67, 130,084.79 and 27,567.45

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Solution

The fourth proportional to 86,747.67, 130,084.79 and 27,567.45 is: 41,339.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,747.67 : 130,084.79 = 27,567.45 : x
  2. Step 2: Convert to fraction form
    86,747.67/130,084.79 = 27,567.45/x
  3. Step 3: Cross multiply
    86,747.67x = 130,084.79 × 27,567.45
  4. Step 4: Simplify right side
    86,747.67x = 3,586,105,806.25
  5. Step 5: Solve for x
    x = 3,586,105,806.25/86,747.67
  6. Step 6: Final answer
    x = 41,339.51

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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.