Home / 118,830.24-163,976.40-68,519.52

Finding the Fourth Proportional to 118,830.24, 163,976.40 and 68,519.52

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Solution

The fourth proportional to 118,830.24, 163,976.40 and 68,519.52 is: 94,551.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,830.24 : 163,976.40 = 68,519.52 : x
  2. Step 2: Convert to fraction form
    118,830.24/163,976.40 = 68,519.52/x
  3. Step 3: Cross multiply
    118,830.24x = 163,976.40 × 68,519.52
  4. Step 4: Simplify right side
    118,830.24x = 11,235,584,219.33
  5. Step 5: Solve for x
    x = 11,235,584,219.33/118,830.24
  6. Step 6: Final answer
    x = 94,551.56

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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.