Home / 118,647.49-163,733.41-66,975.46

Finding the Fourth Proportional to 118,647.49, 163,733.41 and 66,975.46

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Solution

The fourth proportional to 118,647.49, 163,733.41 and 66,975.46 is: 92,426.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,647.49 : 163,733.41 = 66,975.46 : x
  2. Step 2: Convert to fraction form
    118,647.49/163,733.41 = 66,975.46/x
  3. Step 3: Cross multiply
    118,647.49x = 163,733.41 × 66,975.46
  4. Step 4: Simplify right side
    118,647.49x = 10,966,120,452.12
  5. Step 5: Solve for x
    x = 10,966,120,452.12/118,647.49
  6. Step 6: Final answer
    x = 92,426.06

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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.