Home / 73,725.67-101,530.87-66,395.35

Finding the Fourth Proportional to 73,725.67, 101,530.87 and 66,395.35

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Solution

The fourth proportional to 73,725.67, 101,530.87 and 66,395.35 is: 91,435.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,725.67 : 101,530.87 = 66,395.35 : x
  2. Step 2: Convert to fraction form
    73,725.67/101,530.87 = 66,395.35/x
  3. Step 3: Cross multiply
    73,725.67x = 101,530.87 × 66,395.35
  4. Step 4: Simplify right side
    73,725.67x = 6,741,177,039.27
  5. Step 5: Solve for x
    x = 6,741,177,039.27/73,725.67
  6. Step 6: Final answer
    x = 91,435.96

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.