Home / 57,246.15-78,996.89-31,750.26

Finding the Fourth Proportional to 57,246.15, 78,996.89 and 31,750.26

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Solution

The fourth proportional to 57,246.15, 78,996.89 and 31,750.26 is: 43,813.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,246.15 : 78,996.89 = 31,750.26 : x
  2. Step 2: Convert to fraction form
    57,246.15/78,996.89 = 31,750.26/x
  3. Step 3: Cross multiply
    57,246.15x = 78,996.89 × 31,750.26
  4. Step 4: Simplify right side
    57,246.15x = 2,508,171,579.83
  5. Step 5: Solve for x
    x = 2,508,171,579.83/57,246.15
  6. Step 6: Final answer
    x = 43,813.81

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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.