Home / 49,860.32-68,814.84-31,003.52

Finding the Fourth Proportional to 49,860.32, 68,814.84 and 31,003.52

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Solution

The fourth proportional to 49,860.32, 68,814.84 and 31,003.52 is: 42,789.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,860.32 : 68,814.84 = 31,003.52 : x
  2. Step 2: Convert to fraction form
    49,860.32/68,814.84 = 31,003.52/x
  3. Step 3: Cross multiply
    49,860.32x = 68,814.84 × 31,003.52
  4. Step 4: Simplify right side
    49,860.32x = 2,133,502,268.24
  5. Step 5: Solve for x
    x = 2,133,502,268.24/49,860.32
  6. Step 6: Final answer
    x = 42,789.58

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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.