Home / 64,142.06-96,125.61-39,190.82

Finding the Fourth Proportional to 64,142.06, 96,125.61 and 39,190.82

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Solution

The fourth proportional to 64,142.06, 96,125.61 and 39,190.82 is: 58,732.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,142.06 : 96,125.61 = 39,190.82 : x
  2. Step 2: Convert to fraction form
    64,142.06/96,125.61 = 39,190.82/x
  3. Step 3: Cross multiply
    64,142.06x = 96,125.61 × 39,190.82
  4. Step 4: Simplify right side
    64,142.06x = 3,767,241,478.90
  5. Step 5: Solve for x
    x = 3,767,241,478.90/64,142.06
  6. Step 6: Final answer
    x = 58,732.78

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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.