Home / 50,086.08-69,120.65-28,579.32

Finding the Fourth Proportional to 50,086.08, 69,120.65 and 28,579.32

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Solution

The fourth proportional to 50,086.08, 69,120.65 and 28,579.32 is: 39,440.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,086.08 : 69,120.65 = 28,579.32 : x
  2. Step 2: Convert to fraction form
    50,086.08/69,120.65 = 28,579.32/x
  3. Step 3: Cross multiply
    50,086.08x = 69,120.65 × 28,579.32
  4. Step 4: Simplify right side
    50,086.08x = 1,975,421,032.06
  5. Step 5: Solve for x
    x = 1,975,421,032.06/50,086.08
  6. Step 6: Final answer
    x = 39,440.52

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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.