Home / 126,429.66-174,458.07-69,837.66

Finding the Fourth Proportional to 126,429.66, 174,458.07 and 69,837.66

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Solution

The fourth proportional to 126,429.66, 174,458.07 and 69,837.66 is: 96,367.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    126,429.66 : 174,458.07 = 69,837.66 : x
  2. Step 2: Convert to fraction form
    126,429.66/174,458.07 = 69,837.66/x
  3. Step 3: Cross multiply
    126,429.66x = 174,458.07 × 69,837.66
  4. Step 4: Simplify right side
    126,429.66x = 12,183,743,376.92
  5. Step 5: Solve for x
    x = 12,183,743,376.92/126,429.66
  6. Step 6: Final answer
    x = 96,367.76

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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.