Home / 57,398.16-85,936.86-31,008.36

Finding the Fourth Proportional to 57,398.16, 85,936.86 and 31,008.36

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Solution

The fourth proportional to 57,398.16, 85,936.86 and 31,008.36 is: 46,425.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,398.16 : 85,936.86 = 31,008.36 : x
  2. Step 2: Convert to fraction form
    57,398.16/85,936.86 = 31,008.36/x
  3. Step 3: Cross multiply
    57,398.16x = 85,936.86 × 31,008.36
  4. Step 4: Simplify right side
    57,398.16x = 2,664,761,092.15
  5. Step 5: Solve for x
    x = 2,664,761,092.15/57,398.16
  6. Step 6: Final answer
    x = 46,425.90

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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.