Home / 83,999.20-126,003.32-34,071.84

Finding the Fourth Proportional to 83,999.20, 126,003.32 and 34,071.84

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Solution

The fourth proportional to 83,999.20, 126,003.32 and 34,071.84 is: 51,109.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,999.20 : 126,003.32 = 34,071.84 : x
  2. Step 2: Convert to fraction form
    83,999.20/126,003.32 = 34,071.84/x
  3. Step 3: Cross multiply
    83,999.20x = 126,003.32 × 34,071.84
  4. Step 4: Simplify right side
    83,999.20x = 4,293,164,958.51
  5. Step 5: Solve for x
    x = 4,293,164,958.51/83,999.20
  6. Step 6: Final answer
    x = 51,109.59

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.