Home / 75,002.09-103,515.44-43,164.23

Finding the Fourth Proportional to 75,002.09, 103,515.44 and 43,164.23

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Solution

The fourth proportional to 75,002.09, 103,515.44 and 43,164.23 is: 59,573.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,002.09 : 103,515.44 = 43,164.23 : x
  2. Step 2: Convert to fraction form
    75,002.09/103,515.44 = 43,164.23/x
  3. Step 3: Cross multiply
    75,002.09x = 103,515.44 × 43,164.23
  4. Step 4: Simplify right side
    75,002.09x = 4,468,163,527.31
  5. Step 5: Solve for x
    x = 4,468,163,527.31/75,002.09
  6. Step 6: Final answer
    x = 59,573.86

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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.