Home / 74,537.98-111,831.09-21,947.74

Finding the Fourth Proportional to 74,537.98, 111,831.09 and 21,947.74

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Solution

The fourth proportional to 74,537.98, 111,831.09 and 21,947.74 is: 32,928.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,537.98 : 111,831.09 = 21,947.74 : x
  2. Step 2: Convert to fraction form
    74,537.98/111,831.09 = 21,947.74/x
  3. Step 3: Cross multiply
    74,537.98x = 111,831.09 × 21,947.74
  4. Step 4: Simplify right side
    74,537.98x = 2,454,439,325.35
  5. Step 5: Solve for x
    x = 2,454,439,325.35/74,537.98
  6. Step 6: Final answer
    x = 32,928.71

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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.