Home / 73,172.16-100,986.85-41,340.38

Finding the Fourth Proportional to 73,172.16, 100,986.85 and 41,340.38

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Solution

The fourth proportional to 73,172.16, 100,986.85 and 41,340.38 is: 57,054.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,172.16 : 100,986.85 = 41,340.38 : x
  2. Step 2: Convert to fraction form
    73,172.16/100,986.85 = 41,340.38/x
  3. Step 3: Cross multiply
    73,172.16x = 100,986.85 × 41,340.38
  4. Step 4: Simplify right side
    73,172.16x = 4,174,834,300.74
  5. Step 5: Solve for x
    x = 4,174,834,300.74/73,172.16
  6. Step 6: Final answer
    x = 57,054.96

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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.