Home / 85,133.44-117,485.40-49,326.04

Finding the Fourth Proportional to 85,133.44, 117,485.40 and 49,326.04

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Solution

The fourth proportional to 85,133.44, 117,485.40 and 49,326.04 is: 68,070.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,133.44 : 117,485.40 = 49,326.04 : x
  2. Step 2: Convert to fraction form
    85,133.44/117,485.40 = 49,326.04/x
  3. Step 3: Cross multiply
    85,133.44x = 117,485.40 × 49,326.04
  4. Step 4: Simplify right side
    85,133.44x = 5,795,089,539.82
  5. Step 5: Solve for x
    x = 5,795,089,539.82/85,133.44
  6. Step 6: Final answer
    x = 68,070.66

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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.