Home / 107,342.94-161,079.93-67,845.66

Finding the Fourth Proportional to 107,342.94, 161,079.93 and 67,845.66

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Solution

The fourth proportional to 107,342.94, 161,079.93 and 67,845.66 is: 101,809.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,342.94 : 161,079.93 = 67,845.66 : x
  2. Step 2: Convert to fraction form
    107,342.94/161,079.93 = 67,845.66/x
  3. Step 3: Cross multiply
    107,342.94x = 161,079.93 × 67,845.66
  4. Step 4: Simplify right side
    107,342.94x = 10,928,574,163.60
  5. Step 5: Solve for x
    x = 10,928,574,163.60/107,342.94
  6. Step 6: Final answer
    x = 101,809.90

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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.