Home / 86,780.77-130,185.73-27,634.57

Finding the Fourth Proportional to 86,780.77, 130,185.73 and 27,634.57

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Solution

The fourth proportional to 86,780.77, 130,185.73 and 27,634.57 is: 41,456.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,780.77 : 130,185.73 = 27,634.57 : x
  2. Step 2: Convert to fraction form
    86,780.77/130,185.73 = 27,634.57/x
  3. Step 3: Cross multiply
    86,780.77x = 130,185.73 × 27,634.57
  4. Step 4: Simplify right side
    86,780.77x = 3,597,626,377.76
  5. Step 5: Solve for x
    x = 3,597,626,377.76/86,780.77
  6. Step 6: Final answer
    x = 41,456.49

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1.5x scale

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.