Home / 91,977.44-126,928.74-53,763.26

Finding the Fourth Proportional to 91,977.44, 126,928.74 and 53,763.26

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Solution

The fourth proportional to 91,977.44, 126,928.74 and 53,763.26 is: 74,193.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,977.44 : 126,928.74 = 53,763.26 : x
  2. Step 2: Convert to fraction form
    91,977.44/126,928.74 = 53,763.26/x
  3. Step 3: Cross multiply
    91,977.44x = 126,928.74 × 53,763.26
  4. Step 4: Simplify right side
    91,977.44x = 6,824,102,850.09
  5. Step 5: Solve for x
    x = 6,824,102,850.09/91,977.44
  6. Step 6: Final answer
    x = 74,193.22

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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.