Home / 90,934.07-125,546.46-67,019.09

Finding the Fourth Proportional to 90,934.07, 125,546.46 and 67,019.09

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Solution

The fourth proportional to 90,934.07, 125,546.46 and 67,019.09 is: 92,528.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,934.07 : 125,546.46 = 67,019.09 : x
  2. Step 2: Convert to fraction form
    90,934.07/125,546.46 = 67,019.09/x
  3. Step 3: Cross multiply
    90,934.07x = 125,546.46 × 67,019.09
  4. Step 4: Simplify right side
    90,934.07x = 8,414,009,501.92
  5. Step 5: Solve for x
    x = 8,414,009,501.92/90,934.07
  6. Step 6: Final answer
    x = 92,528.68

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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.