Home / 53,898.17-74,380.25-31,238.73

Finding the Fourth Proportional to 53,898.17, 74,380.25 and 31,238.73

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Solution

The fourth proportional to 53,898.17, 74,380.25 and 31,238.73 is: 43,109.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,898.17 : 74,380.25 = 31,238.73 : x
  2. Step 2: Convert to fraction form
    53,898.17/74,380.25 = 31,238.73/x
  3. Step 3: Cross multiply
    53,898.17x = 74,380.25 × 31,238.73
  4. Step 4: Simplify right side
    53,898.17x = 2,323,544,625.18
  5. Step 5: Solve for x
    x = 2,323,544,625.18/53,898.17
  6. Step 6: Final answer
    x = 43,109.90

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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.