Home / 91,181.02-125,850.80-53,467.42

Finding the Fourth Proportional to 91,181.02, 125,850.80 and 53,467.42

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Solution

The fourth proportional to 91,181.02, 125,850.80 and 53,467.42 is: 73,797.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,181.02 : 125,850.80 = 53,467.42 : x
  2. Step 2: Convert to fraction form
    91,181.02/125,850.80 = 53,467.42/x
  3. Step 3: Cross multiply
    91,181.02x = 125,850.80 × 53,467.42
  4. Step 4: Simplify right side
    91,181.02x = 6,728,917,580.94
  5. Step 5: Solve for x
    x = 6,728,917,580.94/91,181.02
  6. Step 6: Final answer
    x = 73,797.35

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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.