Home / 77,403.36-106,804.68-43,413.60

Finding the Fourth Proportional to 77,403.36, 106,804.68 and 43,413.60

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Solution

The fourth proportional to 77,403.36, 106,804.68 and 43,413.60 is: 59,904.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,403.36 : 106,804.68 = 43,413.60 : x
  2. Step 2: Convert to fraction form
    77,403.36/106,804.68 = 43,413.60/x
  3. Step 3: Cross multiply
    77,403.36x = 106,804.68 × 43,413.60
  4. Step 4: Simplify right side
    77,403.36x = 4,636,775,655.65
  5. Step 5: Solve for x
    x = 4,636,775,655.65/77,403.36
  6. Step 6: Final answer
    x = 59,904.06

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1.5x scale

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.