Home / 88,249.04-121,783.64-48,505.04

Finding the Fourth Proportional to 88,249.04, 121,783.64 and 48,505.04

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Solution

The fourth proportional to 88,249.04, 121,783.64 and 48,505.04 is: 66,936.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,249.04 : 121,783.64 = 48,505.04 : x
  2. Step 2: Convert to fraction form
    88,249.04/121,783.64 = 48,505.04/x
  3. Step 3: Cross multiply
    88,249.04x = 121,783.64 × 48,505.04
  4. Step 4: Simplify right side
    88,249.04x = 5,907,120,329.55
  5. Step 5: Solve for x
    x = 5,907,120,329.55/88,249.04
  6. Step 6: Final answer
    x = 66,936.94

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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.