Home / 90,529.79-124,930.94-50,244.03

Finding the Fourth Proportional to 90,529.79, 124,930.94 and 50,244.03

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Solution

The fourth proportional to 90,529.79, 124,930.94 and 50,244.03 is: 69,336.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,529.79 : 124,930.94 = 50,244.03 : x
  2. Step 2: Convert to fraction form
    90,529.79/124,930.94 = 50,244.03/x
  3. Step 3: Cross multiply
    90,529.79x = 124,930.94 × 50,244.03
  4. Step 4: Simplify right side
    90,529.79x = 6,277,033,646.07
  5. Step 5: Solve for x
    x = 6,277,033,646.07/90,529.79
  6. Step 6: Final answer
    x = 69,336.67

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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.