Home / 107,342.74-161,018.44-27,382.78

Finding the Fourth Proportional to 107,342.74, 161,018.44 and 27,382.78

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Solution

The fourth proportional to 107,342.74, 161,018.44 and 27,382.78 is: 41,075.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,342.74 : 161,018.44 = 27,382.78 : x
  2. Step 2: Convert to fraction form
    107,342.74/161,018.44 = 27,382.78/x
  3. Step 3: Cross multiply
    107,342.74x = 161,018.44 × 27,382.78
  4. Step 4: Simplify right side
    107,342.74x = 4,409,132,518.46
  5. Step 5: Solve for x
    x = 4,409,132,518.46/107,342.74
  6. Step 6: Final answer
    x = 41,075.27

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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.