Home / 79,006.86-109,029.51-43,197.17

Finding the Fourth Proportional to 79,006.86, 109,029.51 and 43,197.17

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Solution

The fourth proportional to 79,006.86, 109,029.51 and 43,197.17 is: 59,612.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,006.86 : 109,029.51 = 43,197.17 : x
  2. Step 2: Convert to fraction form
    79,006.86/109,029.51 = 43,197.17/x
  3. Step 3: Cross multiply
    79,006.86x = 109,029.51 × 43,197.17
  4. Step 4: Simplify right side
    79,006.86x = 4,709,765,733.34
  5. Step 5: Solve for x
    x = 4,709,765,733.34/79,006.86
  6. Step 6: Final answer
    x = 59,612.11

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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.