Home / 79,076.11-109,124.06-43,265.61

Finding the Fourth Proportional to 79,076.11, 109,124.06 and 43,265.61

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Solution

The fourth proportional to 79,076.11, 109,124.06 and 43,265.61 is: 59,706.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,076.11 : 109,124.06 = 43,265.61 : x
  2. Step 2: Convert to fraction form
    79,076.11/109,124.06 = 43,265.61/x
  3. Step 3: Cross multiply
    79,076.11x = 109,124.06 × 43,265.61
  4. Step 4: Simplify right side
    79,076.11x = 4,721,319,021.58
  5. Step 5: Solve for x
    x = 4,721,319,021.58/79,076.11
  6. Step 6: Final answer
    x = 59,706.01

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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.