Home / 50,350.30-69,466.11-31,223.20

Finding the Fourth Proportional to 50,350.30, 69,466.11 and 31,223.20

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Solution

The fourth proportional to 50,350.30, 69,466.11 and 31,223.20 is: 43,077.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,350.30 : 69,466.11 = 31,223.20 : x
  2. Step 2: Convert to fraction form
    50,350.30/69,466.11 = 31,223.20/x
  3. Step 3: Cross multiply
    50,350.30x = 69,466.11 × 31,223.20
  4. Step 4: Simplify right side
    50,350.30x = 2,168,954,245.75
  5. Step 5: Solve for x
    x = 2,168,954,245.75/50,350.30
  6. Step 6: Final answer
    x = 43,077.29

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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.