Home / 78,544.68-117,825.20-25,223.19

Finding the Fourth Proportional to 78,544.68, 117,825.20 and 25,223.19

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Solution

The fourth proportional to 78,544.68, 117,825.20 and 25,223.19 is: 37,837.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,544.68 : 117,825.20 = 25,223.19 : x
  2. Step 2: Convert to fraction form
    78,544.68/117,825.20 = 25,223.19/x
  3. Step 3: Cross multiply
    78,544.68x = 117,825.20 × 25,223.19
  4. Step 4: Simplify right side
    78,544.68x = 2,971,927,406.39
  5. Step 5: Solve for x
    x = 2,971,927,406.39/78,544.68
  6. Step 6: Final answer
    x = 37,837.41

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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.