Home / 73,912.48-102,003.92-42,084.16

Finding the Fourth Proportional to 73,912.48, 102,003.92 and 42,084.16

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Solution

The fourth proportional to 73,912.48, 102,003.92 and 42,084.16 is: 58,078.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,912.48 : 102,003.92 = 42,084.16 : x
  2. Step 2: Convert to fraction form
    73,912.48/102,003.92 = 42,084.16/x
  3. Step 3: Cross multiply
    73,912.48x = 102,003.92 × 42,084.16
  4. Step 4: Simplify right side
    73,912.48x = 4,292,749,289.91
  5. Step 5: Solve for x
    x = 4,292,749,289.91/73,912.48
  6. Step 6: Final answer
    x = 58,078.82

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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.