Home / 57,247.15-78,998.27-31,751.26

Finding the Fourth Proportional to 57,247.15, 78,998.27 and 31,751.26

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Solution

The fourth proportional to 57,247.15, 78,998.27 and 31,751.26 is: 43,815.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,247.15 : 78,998.27 = 31,751.26 : x
  2. Step 2: Convert to fraction form
    57,247.15/78,998.27 = 31,751.26/x
  3. Step 3: Cross multiply
    57,247.15x = 78,998.27 × 31,751.26
  4. Step 4: Simplify right side
    57,247.15x = 2,508,294,610.32
  5. Step 5: Solve for x
    x = 2,508,294,610.32/57,247.15
  6. Step 6: Final answer
    x = 43,815.19

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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.