Home / 91,181.76-136,768.55-27,999.33

Finding the Fourth Proportional to 91,181.76, 136,768.55 and 27,999.33

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Solution

The fourth proportional to 91,181.76, 136,768.55 and 27,999.33 is: 41,997.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,181.76 : 136,768.55 = 27,999.33 : x
  2. Step 2: Convert to fraction form
    91,181.76/136,768.55 = 27,999.33/x
  3. Step 3: Cross multiply
    91,181.76x = 136,768.55 × 27,999.33
  4. Step 4: Simplify right side
    91,181.76x = 3,829,427,625.07
  5. Step 5: Solve for x
    x = 3,829,427,625.07/91,181.76
  6. Step 6: Final answer
    x = 41,997.74

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1.5x scale

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.