Home / 79,345.89-109,500.39-43,537.41

Finding the Fourth Proportional to 79,345.89, 109,500.39 and 43,537.41

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Solution

The fourth proportional to 79,345.89, 109,500.39 and 43,537.41 is: 60,083.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,345.89 : 109,500.39 = 43,537.41 : x
  2. Step 2: Convert to fraction form
    79,345.89/109,500.39 = 43,537.41/x
  3. Step 3: Cross multiply
    79,345.89x = 109,500.39 × 43,537.41
  4. Step 4: Simplify right side
    79,345.89x = 4,767,363,374.59
  5. Step 5: Solve for x
    x = 4,767,363,374.59/79,345.89
  6. Step 6: Final answer
    x = 60,083.31

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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.