Home / 91,032.08-136,453.37-50,992.36

Finding the Fourth Proportional to 91,032.08, 136,453.37 and 50,992.36

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Solution

The fourth proportional to 91,032.08, 136,453.37 and 50,992.36 is: 76,435.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,032.08 : 136,453.37 = 50,992.36 : x
  2. Step 2: Convert to fraction form
    91,032.08/136,453.37 = 50,992.36/x
  3. Step 3: Cross multiply
    91,032.08x = 136,453.37 × 50,992.36
  4. Step 4: Simplify right side
    91,032.08x = 6,958,079,366.25
  5. Step 5: Solve for x
    x = 6,958,079,366.25/91,032.08
  6. Step 6: Final answer
    x = 76,435.47

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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.