Home / 49,470.75-74,206.13-21,768.75

Finding the Fourth Proportional to 49,470.75, 74,206.13 and 21,768.75

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Solution

The fourth proportional to 49,470.75, 74,206.13 and 21,768.75 is: 32,653.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,470.75 : 74,206.13 = 21,768.75 : x
  2. Step 2: Convert to fraction form
    49,470.75/74,206.13 = 21,768.75/x
  3. Step 3: Cross multiply
    49,470.75x = 74,206.13 × 21,768.75
  4. Step 4: Simplify right side
    49,470.75x = 1,615,374,583.59
  5. Step 5: Solve for x
    x = 1,615,374,583.59/49,470.75
  6. Step 6: Final answer
    x = 32,653.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.