Home / 126,029.82-173,925.09-72,324.66

Finding the Fourth Proportional to 126,029.82, 173,925.09 and 72,324.66

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Solution

The fourth proportional to 126,029.82, 173,925.09 and 72,324.66 is: 99,810.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,029.82 : 173,925.09 = 72,324.66 : x
  2. Step 2: Convert to fraction form
    126,029.82/173,925.09 = 72,324.66/x
  3. Step 3: Cross multiply
    126,029.82x = 173,925.09 × 72,324.66
  4. Step 4: Simplify right side
    126,029.82x = 12,579,072,999.72
  5. Step 5: Solve for x
    x = 12,579,072,999.72/126,029.82
  6. Step 6: Final answer
    x = 99,810.29

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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.