Home / 86,205.84-118,965.51-47,968.44

Finding the Fourth Proportional to 86,205.84, 118,965.51 and 47,968.44

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Solution

The fourth proportional to 86,205.84, 118,965.51 and 47,968.44 is: 66,197.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,205.84 : 118,965.51 = 47,968.44 : x
  2. Step 2: Convert to fraction form
    86,205.84/118,965.51 = 47,968.44/x
  3. Step 3: Cross multiply
    86,205.84x = 118,965.51 × 47,968.44
  4. Step 4: Simplify right side
    86,205.84x = 5,706,589,928.50
  5. Step 5: Solve for x
    x = 5,706,589,928.50/86,205.84
  6. Step 6: Final answer
    x = 66,197.25

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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.