Home / 55,563.75-76,677.98-30,413.25

Finding the Fourth Proportional to 55,563.75, 76,677.98 and 30,413.25

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Solution

The fourth proportional to 55,563.75, 76,677.98 and 30,413.25 is: 41,970.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,563.75 : 76,677.98 = 30,413.25 : x
  2. Step 2: Convert to fraction form
    55,563.75/76,677.98 = 30,413.25/x
  3. Step 3: Cross multiply
    55,563.75x = 76,677.98 × 30,413.25
  4. Step 4: Simplify right side
    55,563.75x = 2,332,026,423.17
  5. Step 5: Solve for x
    x = 2,332,026,423.17/55,563.75
  6. Step 6: Final answer
    x = 41,970.29

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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.