Home / 86,727.21-130,111.52-27,562.98

Finding the Fourth Proportional to 86,727.21, 130,111.52 and 27,562.98

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Solution

The fourth proportional to 86,727.21, 130,111.52 and 27,562.98 is: 41,351.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,727.21 : 130,111.52 = 27,562.98 : x
  2. Step 2: Convert to fraction form
    86,727.21/130,111.52 = 27,562.98/x
  3. Step 3: Cross multiply
    86,727.21x = 130,111.52 × 27,562.98
  4. Step 4: Simplify right side
    86,727.21x = 3,586,261,573.63
  5. Step 5: Solve for x
    x = 3,586,261,573.63/86,727.21
  6. Step 6: Final answer
    x = 41,351.06

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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.