Home / 50,977.36-70,362.12-28,628.56

Finding the Fourth Proportional to 50,977.36, 70,362.12 and 28,628.56

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Solution

The fourth proportional to 50,977.36, 70,362.12 and 28,628.56 is: 39,514.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,977.36 : 70,362.12 = 28,628.56 : x
  2. Step 2: Convert to fraction form
    50,977.36/70,362.12 = 28,628.56/x
  3. Step 3: Cross multiply
    50,977.36x = 70,362.12 × 28,628.56
  4. Step 4: Simplify right side
    50,977.36x = 2,014,366,174.15
  5. Step 5: Solve for x
    x = 2,014,366,174.15/50,977.36
  6. Step 6: Final answer
    x = 39,514.92

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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.