Home / 126,111.85-174,029.05-68,749.93

Finding the Fourth Proportional to 126,111.85, 174,029.05 and 68,749.93

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Solution

The fourth proportional to 126,111.85, 174,029.05 and 68,749.93 is: 94,872.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,111.85 : 174,029.05 = 68,749.93 : x
  2. Step 2: Convert to fraction form
    126,111.85/174,029.05 = 68,749.93/x
  3. Step 3: Cross multiply
    126,111.85x = 174,029.05 × 68,749.93
  4. Step 4: Simplify right side
    126,111.85x = 11,964,485,005.47
  5. Step 5: Solve for x
    x = 11,964,485,005.47/126,111.85
  6. Step 6: Final answer
    x = 94,872.01

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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.