Home / 91,713.96-137,570.94-73,362.60

Finding the Fourth Proportional to 91,713.96, 137,570.94 and 73,362.60

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Solution

The fourth proportional to 91,713.96, 137,570.94 and 73,362.60 is: 110,043.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,713.96 : 137,570.94 = 73,362.60 : x
  2. Step 2: Convert to fraction form
    91,713.96/137,570.94 = 73,362.60/x
  3. Step 3: Cross multiply
    91,713.96x = 137,570.94 × 73,362.60
  4. Step 4: Simplify right side
    91,713.96x = 10,092,561,842.84
  5. Step 5: Solve for x
    x = 10,092,561,842.84/91,713.96
  6. Step 6: Final answer
    x = 110,043.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.