Home / 57,302.51-79,076.21-31,807.37

Finding the Fourth Proportional to 57,302.51, 79,076.21 and 31,807.37

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Solution

The fourth proportional to 57,302.51, 79,076.21 and 31,807.37 is: 43,893.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,302.51 : 79,076.21 = 31,807.37 : x
  2. Step 2: Convert to fraction form
    57,302.51/79,076.21 = 31,807.37/x
  3. Step 3: Cross multiply
    57,302.51x = 79,076.21 × 31,807.37
  4. Step 4: Simplify right side
    57,302.51x = 2,515,206,308.32
  5. Step 5: Solve for x
    x = 2,515,206,308.32/57,302.51
  6. Step 6: Final answer
    x = 43,893.48

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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.