Home / 50,783.10-76,181.73-21,194.16

Finding the Fourth Proportional to 50,783.10, 76,181.73 and 21,194.16

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Solution

The fourth proportional to 50,783.10, 76,181.73 and 21,194.16 is: 31,794.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,783.10 : 76,181.73 = 21,194.16 : x
  2. Step 2: Convert to fraction form
    50,783.10/76,181.73 = 21,194.16/x
  3. Step 3: Cross multiply
    50,783.10x = 76,181.73 × 21,194.16
  4. Step 4: Simplify right side
    50,783.10x = 1,614,607,774.70
  5. Step 5: Solve for x
    x = 1,614,607,774.70/50,783.10
  6. Step 6: Final answer
    x = 31,794.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.