Home / 118,599.86-163,675.07-68,315.06

Finding the Fourth Proportional to 118,599.86, 163,675.07 and 68,315.06

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Solution

The fourth proportional to 118,599.86, 163,675.07 and 68,315.06 is: 94,278.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    118,599.86 : 163,675.07 = 68,315.06 : x
  2. Step 2: Convert to fraction form
    118,599.86/163,675.07 = 68,315.06/x
  3. Step 3: Cross multiply
    118,599.86x = 163,675.07 × 68,315.06
  4. Step 4: Simplify right side
    118,599.86x = 11,181,471,067.60
  5. Step 5: Solve for x
    x = 11,181,471,067.60/118,599.86
  6. Step 6: Final answer
    x = 94,278.96

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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.