Home / 79,711.03-109,999.89-43,904.38

Finding the Fourth Proportional to 79,711.03, 109,999.89 and 43,904.38

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Solution

The fourth proportional to 79,711.03, 109,999.89 and 43,904.38 is: 60,587.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,711.03 : 109,999.89 = 43,904.38 : x
  2. Step 2: Convert to fraction form
    79,711.03/109,999.89 = 43,904.38/x
  3. Step 3: Cross multiply
    79,711.03x = 109,999.89 × 43,904.38
  4. Step 4: Simplify right side
    79,711.03x = 4,829,476,970.52
  5. Step 5: Solve for x
    x = 4,829,476,970.52/79,711.03
  6. Step 6: Final answer
    x = 60,587.31

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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.