Home / 53,896.92-74,378.52-31,237.47

Finding the Fourth Proportional to 53,896.92, 74,378.52 and 31,237.47

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Solution

The fourth proportional to 53,896.92, 74,378.52 and 31,237.47 is: 43,108.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,896.92 : 74,378.52 = 31,237.47 : x
  2. Step 2: Convert to fraction form
    53,896.92/74,378.52 = 31,237.47/x
  3. Step 3: Cross multiply
    53,896.92x = 74,378.52 × 31,237.47
  4. Step 4: Simplify right side
    53,896.92x = 2,323,396,787.14
  5. Step 5: Solve for x
    x = 2,323,396,787.14/53,896.92
  6. Step 6: Final answer
    x = 43,108.16

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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.