Home / 63,665.73-87,858.09-35,370.81

Finding the Fourth Proportional to 63,665.73, 87,858.09 and 35,370.81

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Solution

The fourth proportional to 63,665.73, 87,858.09 and 35,370.81 is: 48,811.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,665.73 : 87,858.09 = 35,370.81 : x
  2. Step 2: Convert to fraction form
    63,665.73/87,858.09 = 35,370.81/x
  3. Step 3: Cross multiply
    63,665.73x = 87,858.09 × 35,370.81
  4. Step 4: Simplify right side
    63,665.73x = 3,107,611,808.35
  5. Step 5: Solve for x
    x = 3,107,611,808.35/63,665.73
  6. Step 6: Final answer
    x = 48,811.37

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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.