Home / 49,859.68-68,838.24-31,022.32

Finding the Fourth Proportional to 49,859.68, 68,838.24 and 31,022.32

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Solution

The fourth proportional to 49,859.68, 68,838.24 and 31,022.32 is: 42,830.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,859.68 : 68,838.24 = 31,022.32 : x
  2. Step 2: Convert to fraction form
    49,859.68/68,838.24 = 31,022.32/x
  3. Step 3: Cross multiply
    49,859.68x = 68,838.24 × 31,022.32
  4. Step 4: Simplify right side
    49,859.68x = 2,135,521,909.52
  5. Step 5: Solve for x
    x = 2,135,521,909.52/49,859.68
  6. Step 6: Final answer
    x = 42,830.64

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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.