Home / 81,202.41-121,824.61-25,041.26

Finding the Fourth Proportional to 81,202.41, 121,824.61 and 25,041.26

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Solution

The fourth proportional to 81,202.41, 121,824.61 and 25,041.26 is: 37,568.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,202.41 : 121,824.61 = 25,041.26 : x
  2. Step 2: Convert to fraction form
    81,202.41/121,824.61 = 25,041.26/x
  3. Step 3: Cross multiply
    81,202.41x = 121,824.61 × 25,041.26
  4. Step 4: Simplify right side
    81,202.41x = 3,050,641,975.37
  5. Step 5: Solve for x
    x = 3,050,641,975.37/81,202.41
  6. Step 6: Final answer
    x = 37,568.37

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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.