Home / 107,964.48-161,625.60-65,717.76

Finding the Fourth Proportional to 107,964.48, 161,625.60 and 65,717.76

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Solution

The fourth proportional to 107,964.48, 161,625.60 and 65,717.76 is: 98,381.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,964.48 : 161,625.60 = 65,717.76 : x
  2. Step 2: Convert to fraction form
    107,964.48/161,625.60 = 65,717.76/x
  3. Step 3: Cross multiply
    107,964.48x = 161,625.60 × 65,717.76
  4. Step 4: Simplify right side
    107,964.48x = 10,621,672,390.66
  5. Step 5: Solve for x
    x = 10,621,672,390.66/107,964.48
  6. Step 6: Final answer
    x = 98,381.17

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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.