Home / 126,012.52-173,895.96-69,422.68

Finding the Fourth Proportional to 126,012.52, 173,895.96 and 69,422.68

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Solution

The fourth proportional to 126,012.52, 173,895.96 and 69,422.68 is: 95,802.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,012.52 : 173,895.96 = 69,422.68 : x
  2. Step 2: Convert to fraction form
    126,012.52/173,895.96 = 69,422.68/x
  3. Step 3: Cross multiply
    126,012.52x = 173,895.96 × 69,422.68
  4. Step 4: Simplify right side
    126,012.52x = 12,072,323,584.37
  5. Step 5: Solve for x
    x = 12,072,323,584.37/126,012.52
  6. Step 6: Final answer
    x = 95,802.57

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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.