Home / 58,583.92-80,845.38-31,725.80

Finding the Fourth Proportional to 58,583.92, 80,845.38 and 31,725.80

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Solution

The fourth proportional to 58,583.92, 80,845.38 and 31,725.80 is: 43,781.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,583.92 : 80,845.38 = 31,725.80 : x
  2. Step 2: Convert to fraction form
    58,583.92/80,845.38 = 31,725.80/x
  3. Step 3: Cross multiply
    58,583.92x = 80,845.38 × 31,725.80
  4. Step 4: Simplify right side
    58,583.92x = 2,564,884,400.29
  5. Step 5: Solve for x
    x = 2,564,884,400.29/58,583.92
  6. Step 6: Final answer
    x = 43,781.37

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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.