Home / 118,771.02-163,905.12-68,470.02

Finding the Fourth Proportional to 118,771.02, 163,905.12 and 68,470.02

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Solution

The fourth proportional to 118,771.02, 163,905.12 and 68,470.02 is: 94,489.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,771.02 : 163,905.12 = 68,470.02 : x
  2. Step 2: Convert to fraction form
    118,771.02/163,905.12 = 68,470.02/x
  3. Step 3: Cross multiply
    118,771.02x = 163,905.12 × 68,470.02
  4. Step 4: Simplify right side
    118,771.02x = 11,222,586,844.50
  5. Step 5: Solve for x
    x = 11,222,586,844.50/118,771.02
  6. Step 6: Final answer
    x = 94,489.27

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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.