Home / 50,543.78-75,785.96-30,300.54

Finding the Fourth Proportional to 50,543.78, 75,785.96 and 30,300.54

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Solution

The fourth proportional to 50,543.78, 75,785.96 and 30,300.54 is: 45,433.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,543.78 : 75,785.96 = 30,300.54 : x
  2. Step 2: Convert to fraction form
    50,543.78/75,785.96 = 30,300.54/x
  3. Step 3: Cross multiply
    50,543.78x = 75,785.96 × 30,300.54
  4. Step 4: Simplify right side
    50,543.78x = 2,296,355,512.42
  5. Step 5: Solve for x
    x = 2,296,355,512.42/50,543.78
  6. Step 6: Final answer
    x = 45,433.00

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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.