Home / 111,891.08-154,413.48-60,905.67

Finding the Fourth Proportional to 111,891.08, 154,413.48 and 60,905.67

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Solution

The fourth proportional to 111,891.08, 154,413.48 and 60,905.67 is: 84,051.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,891.08 : 154,413.48 = 60,905.67 : x
  2. Step 2: Convert to fraction form
    111,891.08/154,413.48 = 60,905.67/x
  3. Step 3: Cross multiply
    111,891.08x = 154,413.48 × 60,905.67
  4. Step 4: Simplify right side
    111,891.08x = 9,404,656,546.11
  5. Step 5: Solve for x
    x = 9,404,656,546.11/111,891.08
  6. Step 6: Final answer
    x = 84,051.89

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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.