Home / 74,853.07-103,314.60-49,364.03

Finding the Fourth Proportional to 74,853.07, 103,314.60 and 49,364.03

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Solution

The fourth proportional to 74,853.07, 103,314.60 and 49,364.03 is: 68,133.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,853.07 : 103,314.60 = 49,364.03 : x
  2. Step 2: Convert to fraction form
    74,853.07/103,314.60 = 49,364.03/x
  3. Step 3: Cross multiply
    74,853.07x = 103,314.60 × 49,364.03
  4. Step 4: Simplify right side
    74,853.07x = 5,100,025,272.12
  5. Step 5: Solve for x
    x = 5,100,025,272.12/74,853.07
  6. Step 6: Final answer
    x = 68,133.82

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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.