Home / 91,817.66-126,708.37-51,544.40

Finding the Fourth Proportional to 91,817.66, 126,708.37 and 51,544.40

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Solution

The fourth proportional to 91,817.66, 126,708.37 and 51,544.40 is: 71,131.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,817.66 : 126,708.37 = 51,544.40 : x
  2. Step 2: Convert to fraction form
    91,817.66/126,708.37 = 51,544.40/x
  3. Step 3: Cross multiply
    91,817.66x = 126,708.37 × 51,544.40
  4. Step 4: Simplify right side
    91,817.66x = 6,531,106,273.09
  5. Step 5: Solve for x
    x = 6,531,106,273.09/91,817.66
  6. Step 6: Final answer
    x = 71,131.26

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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.