Home / 103,589.28-155,392.56-44,410.68

Finding the Fourth Proportional to 103,589.28, 155,392.56 and 44,410.68

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Solution

The fourth proportional to 103,589.28, 155,392.56 and 44,410.68 is: 66,619.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,589.28 : 155,392.56 = 44,410.68 : x
  2. Step 2: Convert to fraction form
    103,589.28/155,392.56 = 44,410.68/x
  3. Step 3: Cross multiply
    103,589.28x = 155,392.56 × 44,410.68
  4. Step 4: Simplify right side
    103,589.28x = 6,901,089,256.54
  5. Step 5: Solve for x
    x = 6,901,089,256.54/103,589.28
  6. Step 6: Final answer
    x = 66,619.72

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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.