Home / 91,266.86-136,913.44-28,092.38

Finding the Fourth Proportional to 91,266.86, 136,913.44 and 28,092.38

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Solution

The fourth proportional to 91,266.86, 136,913.44 and 28,092.38 is: 42,142.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,266.86 : 136,913.44 = 28,092.38 : x
  2. Step 2: Convert to fraction form
    91,266.86/136,913.44 = 28,092.38/x
  3. Step 3: Cross multiply
    91,266.86x = 136,913.44 × 28,092.38
  4. Step 4: Simplify right side
    91,266.86x = 3,846,224,383.59
  5. Step 5: Solve for x
    x = 3,846,224,383.59/91,266.86
  6. Step 6: Final answer
    x = 42,142.62

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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.