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Finding the Fourth Proportional to 90,450.60, 124,820.64 and 50,164.44

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Solution

The fourth proportional to 90,450.60, 124,820.64 and 50,164.44 is: 69,226.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,450.60 : 124,820.64 = 50,164.44 : x
  2. Step 2: Convert to fraction form
    90,450.60/124,820.64 = 50,164.44/x
  3. Step 3: Cross multiply
    90,450.60x = 124,820.64 × 50,164.44
  4. Step 4: Simplify right side
    90,450.60x = 6,261,557,506.04
  5. Step 5: Solve for x
    x = 6,261,557,506.04/90,450.60
  6. Step 6: Final answer
    x = 69,226.27

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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.