Home / 88,464.43-122,086.04-66,621.59

Finding the Fourth Proportional to 88,464.43, 122,086.04 and 66,621.59

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Solution

The fourth proportional to 88,464.43, 122,086.04 and 66,621.59 is: 91,941.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,464.43 : 122,086.04 = 66,621.59 : x
  2. Step 2: Convert to fraction form
    88,464.43/122,086.04 = 66,621.59/x
  3. Step 3: Cross multiply
    88,464.43x = 122,086.04 × 66,621.59
  4. Step 4: Simplify right side
    88,464.43x = 8,133,566,101.60
  5. Step 5: Solve for x
    x = 8,133,566,101.60/88,464.43
  6. Step 6: Final answer
    x = 91,941.65

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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.