Home / 91,413.42-126,097.63-55,090.06

Finding the Fourth Proportional to 91,413.42, 126,097.63 and 55,090.06

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Solution

The fourth proportional to 91,413.42, 126,097.63 and 55,090.06 is: 75,992.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,413.42 : 126,097.63 = 55,090.06 : x
  2. Step 2: Convert to fraction form
    91,413.42/126,097.63 = 55,090.06/x
  3. Step 3: Cross multiply
    91,413.42x = 126,097.63 × 55,090.06
  4. Step 4: Simplify right side
    91,413.42x = 6,946,726,002.56
  5. Step 5: Solve for x
    x = 6,946,726,002.56/91,413.42
  6. Step 6: Final answer
    x = 75,992.41

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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.