Home / 90,850.94-125,373.04-50,564.69

Finding the Fourth Proportional to 90,850.94, 125,373.04 and 50,564.69

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Solution

The fourth proportional to 90,850.94, 125,373.04 and 50,564.69 is: 69,778.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,850.94 : 125,373.04 = 50,564.69 : x
  2. Step 2: Convert to fraction form
    90,850.94/125,373.04 = 50,564.69/x
  3. Step 3: Cross multiply
    90,850.94x = 125,373.04 × 50,564.69
  4. Step 4: Simplify right side
    90,850.94x = 6,339,448,901.96
  5. Step 5: Solve for x
    x = 6,339,448,901.96/90,850.94
  6. Step 6: Final answer
    x = 69,778.57

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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.