Home / 55,413.68-76,451.87-31,534.36

Finding the Fourth Proportional to 55,413.68, 76,451.87 and 31,534.36

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Solution

The fourth proportional to 55,413.68, 76,451.87 and 31,534.36 is: 43,506.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,413.68 : 76,451.87 = 31,534.36 : x
  2. Step 2: Convert to fraction form
    55,413.68/76,451.87 = 31,534.36/x
  3. Step 3: Cross multiply
    55,413.68x = 76,451.87 × 31,534.36
  4. Step 4: Simplify right side
    55,413.68x = 2,410,860,678.96
  5. Step 5: Solve for x
    x = 2,410,860,678.96/55,413.68
  6. Step 6: Final answer
    x = 43,506.60

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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.