Home / 56,413.84-77,847.60-31,263.52

Finding the Fourth Proportional to 56,413.84, 77,847.60 and 31,263.52

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Solution

The fourth proportional to 56,413.84, 77,847.60 and 31,263.52 is: 43,141.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,413.84 : 77,847.60 = 31,263.52 : x
  2. Step 2: Convert to fraction form
    56,413.84/77,847.60 = 31,263.52/x
  3. Step 3: Cross multiply
    56,413.84x = 77,847.60 × 31,263.52
  4. Step 4: Simplify right side
    56,413.84x = 2,433,789,999.55
  5. Step 5: Solve for x
    x = 2,433,789,999.55/56,413.84
  6. Step 6: Final answer
    x = 43,141.72

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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.