Home / 86,222.25-118,994.04-48,503.79

Finding the Fourth Proportional to 86,222.25, 118,994.04 and 48,503.79

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Solution

The fourth proportional to 86,222.25, 118,994.04 and 48,503.79 is: 66,939.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,222.25 : 118,994.04 = 48,503.79 : x
  2. Step 2: Convert to fraction form
    86,222.25/118,994.04 = 48,503.79/x
  3. Step 3: Cross multiply
    86,222.25x = 118,994.04 × 48,503.79
  4. Step 4: Simplify right side
    86,222.25x = 5,771,661,927.41
  5. Step 5: Solve for x
    x = 5,771,661,927.41/86,222.25
  6. Step 6: Final answer
    x = 66,939.36

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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.