Home / 79,433.15-109,618.51-43,623.91

Finding the Fourth Proportional to 79,433.15, 109,618.51 and 43,623.91

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Solution

The fourth proportional to 79,433.15, 109,618.51 and 43,623.91 is: 60,201.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,433.15 : 109,618.51 = 43,623.91 : x
  2. Step 2: Convert to fraction form
    79,433.15/109,618.51 = 43,623.91/x
  3. Step 3: Cross multiply
    79,433.15x = 109,618.51 × 43,623.91
  4. Step 4: Simplify right side
    79,433.15x = 4,781,987,248.36
  5. Step 5: Solve for x
    x = 4,781,987,248.36/79,433.15
  6. Step 6: Final answer
    x = 60,201.41

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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.