Home / 78,716.56-118,074.44-19,552.24

Finding the Fourth Proportional to 78,716.56, 118,074.44 and 19,552.24

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Solution

The fourth proportional to 78,716.56, 118,074.44 and 19,552.24 is: 29,328.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,716.56 : 118,074.44 = 19,552.24 : x
  2. Step 2: Convert to fraction form
    78,716.56/118,074.44 = 19,552.24/x
  3. Step 3: Cross multiply
    78,716.56x = 118,074.44 × 19,552.24
  4. Step 4: Simplify right side
    78,716.56x = 2,308,619,788.75
  5. Step 5: Solve for x
    x = 2,308,619,788.75/78,716.56
  6. Step 6: Final answer
    x = 29,328.26

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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.