Home / 53,869.44-74,339.52-31,512.96

Finding the Fourth Proportional to 53,869.44, 74,339.52 and 31,512.96

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Solution

The fourth proportional to 53,869.44, 74,339.52 and 31,512.96 is: 43,487.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,869.44 : 74,339.52 = 31,512.96 : x
  2. Step 2: Convert to fraction form
    53,869.44/74,339.52 = 31,512.96/x
  3. Step 3: Cross multiply
    53,869.44x = 74,339.52 × 31,512.96
  4. Step 4: Simplify right side
    53,869.44x = 2,342,658,320.18
  5. Step 5: Solve for x
    x = 2,342,658,320.18/53,869.44
  6. Step 6: Final answer
    x = 43,487.71

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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.