Home / 49,074.74-67,721.50-28,931.26

Finding the Fourth Proportional to 49,074.74, 67,721.50 and 28,931.26

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Solution

The fourth proportional to 49,074.74, 67,721.50 and 28,931.26 is: 39,924.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,074.74 : 67,721.50 = 28,931.26 : x
  2. Step 2: Convert to fraction form
    49,074.74/67,721.50 = 28,931.26/x
  3. Step 3: Cross multiply
    49,074.74x = 67,721.50 × 28,931.26
  4. Step 4: Simplify right side
    49,074.74x = 1,959,268,324.09
  5. Step 5: Solve for x
    x = 1,959,268,324.09/49,074.74
  6. Step 6: Final answer
    x = 39,924.17

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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.