Home / 90,982.45-125,559.64-50,696.24

Finding the Fourth Proportional to 90,982.45, 125,559.64 and 50,696.24

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Solution

The fourth proportional to 90,982.45, 125,559.64 and 50,696.24 is: 69,962.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,982.45 : 125,559.64 = 50,696.24 : x
  2. Step 2: Convert to fraction form
    90,982.45/125,559.64 = 50,696.24/x
  3. Step 3: Cross multiply
    90,982.45x = 125,559.64 × 50,696.24
  4. Step 4: Simplify right side
    90,982.45x = 6,365,401,390.27
  5. Step 5: Solve for x
    x = 6,365,401,390.27/90,982.45
  6. Step 6: Final answer
    x = 69,962.96

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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.