Home / 57,804.40-86,705.38-26,639.66

Finding the Fourth Proportional to 57,804.40, 86,705.38 and 26,639.66

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Solution

The fourth proportional to 57,804.40, 86,705.38 and 26,639.66 is: 39,958.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,804.40 : 86,705.38 = 26,639.66 : x
  2. Step 2: Convert to fraction form
    57,804.40/86,705.38 = 26,639.66/x
  3. Step 3: Cross multiply
    57,804.40x = 86,705.38 × 26,639.66
  4. Step 4: Simplify right side
    57,804.40x = 2,309,801,843.37
  5. Step 5: Solve for x
    x = 2,309,801,843.37/57,804.40
  6. Step 6: Final answer
    x = 39,958.93

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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.