Home / 50,208.35-75,312.66-20,605.42

Finding the Fourth Proportional to 50,208.35, 75,312.66 and 20,605.42

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Solution

The fourth proportional to 50,208.35, 75,312.66 and 20,605.42 is: 30,908.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,208.35 : 75,312.66 = 20,605.42 : x
  2. Step 2: Convert to fraction form
    50,208.35/75,312.66 = 20,605.42/x
  3. Step 3: Cross multiply
    50,208.35x = 75,312.66 × 20,605.42
  4. Step 4: Simplify right side
    50,208.35x = 1,551,848,614.05
  5. Step 5: Solve for x
    x = 1,551,848,614.05/50,208.35
  6. Step 6: Final answer
    x = 30,908.18

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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.