Home / 77,413.67-106,853.54-50,560.34

Finding the Fourth Proportional to 77,413.67, 106,853.54 and 50,560.34

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Solution

The fourth proportional to 77,413.67, 106,853.54 and 50,560.34 is: 69,788.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,413.67 : 106,853.54 = 50,560.34 : x
  2. Step 2: Convert to fraction form
    77,413.67/106,853.54 = 50,560.34/x
  3. Step 3: Cross multiply
    77,413.67x = 106,853.54 × 50,560.34
  4. Step 4: Simplify right side
    77,413.67x = 5,402,551,326.94
  5. Step 5: Solve for x
    x = 5,402,551,326.94/77,413.67
  6. Step 6: Final answer
    x = 69,788.08

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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.