Home / 90,936.52-125,549.87-67,021.54

Finding the Fourth Proportional to 90,936.52, 125,549.87 and 67,021.54

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Solution

The fourth proportional to 90,936.52, 125,549.87 and 67,021.54 is: 92,532.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,936.52 : 125,549.87 = 67,021.54 : x
  2. Step 2: Convert to fraction form
    90,936.52/125,549.87 = 67,021.54/x
  3. Step 3: Cross multiply
    90,936.52x = 125,549.87 × 67,021.54
  4. Step 4: Simplify right side
    90,936.52x = 8,414,544,985.22
  5. Step 5: Solve for x
    x = 8,414,544,985.22/90,936.52
  6. Step 6: Final answer
    x = 92,532.08

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1.5x scale

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.