Home / 90,531.21-124,933.06-50,244.96

Finding the Fourth Proportional to 90,531.21, 124,933.06 and 50,244.96

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Solution

The fourth proportional to 90,531.21, 124,933.06 and 50,244.96 is: 69,338.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,531.21 : 124,933.06 = 50,244.96 : x
  2. Step 2: Convert to fraction form
    90,531.21/124,933.06 = 50,244.96/x
  3. Step 3: Cross multiply
    90,531.21x = 124,933.06 × 50,244.96
  4. Step 4: Simplify right side
    90,531.21x = 6,277,256,289.62
  5. Step 5: Solve for x
    x = 6,277,256,289.62/90,531.21
  6. Step 6: Final answer
    x = 69,338.04

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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.