Home / 57,032.64-78,705.27-31,882.14

Finding the Fourth Proportional to 57,032.64, 78,705.27 and 31,882.14

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Solution

The fourth proportional to 57,032.64, 78,705.27 and 31,882.14 is: 43,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,032.64 : 78,705.27 = 31,882.14 : x
  2. Step 2: Convert to fraction form
    57,032.64/78,705.27 = 31,882.14/x
  3. Step 3: Cross multiply
    57,032.64x = 78,705.27 × 31,882.14
  4. Step 4: Simplify right side
    57,032.64x = 2,509,292,436.88
  5. Step 5: Solve for x
    x = 2,509,292,436.88/57,032.64
  6. Step 6: Final answer
    x = 43,997.48

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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.