Home / 79,282.89-109,413.69-43,474.26

Finding the Fourth Proportional to 79,282.89, 109,413.69 and 43,474.26

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Solution

The fourth proportional to 79,282.89, 109,413.69 and 43,474.26 is: 59,996.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,282.89 : 109,413.69 = 43,474.26 : x
  2. Step 2: Convert to fraction form
    79,282.89/109,413.69 = 43,474.26/x
  3. Step 3: Cross multiply
    79,282.89x = 109,413.69 × 43,474.26
  4. Step 4: Simplify right side
    79,282.89x = 4,756,679,206.62
  5. Step 5: Solve for x
    x = 4,756,679,206.62/79,282.89
  6. Step 6: Final answer
    x = 59,996.29

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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.