Home / 126,044.76-188,920.86-51,071.66

Finding the Fourth Proportional to 126,044.76, 188,920.86 and 51,071.66

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Solution

The fourth proportional to 126,044.76, 188,920.86 and 51,071.66 is: 76,548.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,044.76 : 188,920.86 = 51,071.66 : x
  2. Step 2: Convert to fraction form
    126,044.76/188,920.86 = 51,071.66/x
  3. Step 3: Cross multiply
    126,044.76x = 188,920.86 × 51,071.66
  4. Step 4: Simplify right side
    126,044.76x = 9,648,501,928.83
  5. Step 5: Solve for x
    x = 9,648,501,928.83/126,044.76
  6. Step 6: Final answer
    x = 76,548.22

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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.