Home / 126,057.00-173,967.26-77,019.61

Finding the Fourth Proportional to 126,057.00, 173,967.26 and 77,019.61

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Solution

The fourth proportional to 126,057.00, 173,967.26 and 77,019.61 is: 106,292.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,057.00 : 173,967.26 = 77,019.61 : x
  2. Step 2: Convert to fraction form
    126,057.00/173,967.26 = 77,019.61/x
  3. Step 3: Cross multiply
    126,057.00x = 173,967.26 × 77,019.61
  4. Step 4: Simplify right side
    126,057.00x = 13,398,891,145.44
  5. Step 5: Solve for x
    x = 13,398,891,145.44/126,057.00
  6. Step 6: Final answer
    x = 106,292.32

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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.