Home / 107,659.34-161,325.26-51,422.01

Finding the Fourth Proportional to 107,659.34, 161,325.26 and 51,422.01

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Solution

The fourth proportional to 107,659.34, 161,325.26 and 51,422.01 is: 77,054.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,659.34 : 161,325.26 = 51,422.01 : x
  2. Step 2: Convert to fraction form
    107,659.34/161,325.26 = 51,422.01/x
  3. Step 3: Cross multiply
    107,659.34x = 161,325.26 × 51,422.01
  4. Step 4: Simplify right side
    107,659.34x = 8,295,669,132.97
  5. Step 5: Solve for x
    x = 8,295,669,132.97/107,659.34
  6. Step 6: Final answer
    x = 77,054.80

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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.