Home / 126,007.90-173,889.36-69,418.06

Finding the Fourth Proportional to 126,007.90, 173,889.36 and 69,418.06

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Solution

The fourth proportional to 126,007.90, 173,889.36 and 69,418.06 is: 95,796.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,007.90 : 173,889.36 = 69,418.06 : x
  2. Step 2: Convert to fraction form
    126,007.90/173,889.36 = 69,418.06/x
  3. Step 3: Cross multiply
    126,007.90x = 173,889.36 × 69,418.06
  4. Step 4: Simplify right side
    126,007.90x = 12,071,062,025.84
  5. Step 5: Solve for x
    x = 12,071,062,025.84/126,007.90
  6. Step 6: Final answer
    x = 95,796.07

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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.