Home / 75,076.26-103,589.01-47,862.69

Finding the Fourth Proportional to 75,076.26, 103,589.01 and 47,862.69

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Solution

The fourth proportional to 75,076.26, 103,589.01 and 47,862.69 is: 66,040.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,076.26 : 103,589.01 = 47,862.69 : x
  2. Step 2: Convert to fraction form
    75,076.26/103,589.01 = 47,862.69/x
  3. Step 3: Cross multiply
    75,076.26x = 103,589.01 × 47,862.69
  4. Step 4: Simplify right side
    75,076.26x = 4,958,048,673.04
  5. Step 5: Solve for x
    x = 4,958,048,673.04/75,076.26
  6. Step 6: Final answer
    x = 66,040.17

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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.