Home / 58,229.14-80,386.77-39,208.90

Finding the Fourth Proportional to 58,229.14, 80,386.77 and 39,208.90

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Solution

The fourth proportional to 58,229.14, 80,386.77 and 39,208.90 is: 54,128.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,229.14 : 80,386.77 = 39,208.90 : x
  2. Step 2: Convert to fraction form
    58,229.14/80,386.77 = 39,208.90/x
  3. Step 3: Cross multiply
    58,229.14x = 80,386.77 × 39,208.90
  4. Step 4: Simplify right side
    58,229.14x = 3,151,876,826.25
  5. Step 5: Solve for x
    x = 3,151,876,826.25/58,229.14
  6. Step 6: Final answer
    x = 54,128.86

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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.