Home / 74,976.20-103,416.66-54,523.88

Finding the Fourth Proportional to 74,976.20, 103,416.66 and 54,523.88

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Solution

The fourth proportional to 74,976.20, 103,416.66 and 54,523.88 is: 75,206.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,976.20 : 103,416.66 = 54,523.88 : x
  2. Step 2: Convert to fraction form
    74,976.20/103,416.66 = 54,523.88/x
  3. Step 3: Cross multiply
    74,976.20x = 103,416.66 × 54,523.88
  4. Step 4: Simplify right side
    74,976.20x = 5,638,677,559.84
  5. Step 5: Solve for x
    x = 5,638,677,559.84/74,976.20
  6. Step 6: Final answer
    x = 75,206.23

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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.