Home / 58,619.25-80,894.09-31,761.68

Finding the Fourth Proportional to 58,619.25, 80,894.09 and 31,761.68

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Solution

The fourth proportional to 58,619.25, 80,894.09 and 31,761.68 is: 43,830.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,619.25 : 80,894.09 = 31,761.68 : x
  2. Step 2: Convert to fraction form
    58,619.25/80,894.09 = 31,761.68/x
  3. Step 3: Cross multiply
    58,619.25x = 80,894.09 × 31,761.68
  4. Step 4: Simplify right side
    58,619.25x = 2,569,331,796.00
  5. Step 5: Solve for x
    x = 2,569,331,796.00/58,619.25
  6. Step 6: Final answer
    x = 43,830.85

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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.