Home / 91,858.22-126,763.40-51,571.06

Finding the Fourth Proportional to 91,858.22, 126,763.40 and 51,571.06

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Solution

The fourth proportional to 91,858.22, 126,763.40 and 51,571.06 is: 71,167.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,858.22 : 126,763.40 = 51,571.06 : x
  2. Step 2: Convert to fraction form
    91,858.22/126,763.40 = 51,571.06/x
  3. Step 3: Cross multiply
    91,858.22x = 126,763.40 × 51,571.06
  4. Step 4: Simplify right side
    91,858.22x = 6,537,322,907.20
  5. Step 5: Solve for x
    x = 6,537,322,907.20/91,858.22
  6. Step 6: Final answer
    x = 71,167.53

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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.