Home / 80,429.49-110,954.21-48,142.08

Finding the Fourth Proportional to 80,429.49, 110,954.21 and 48,142.08

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Solution

The fourth proportional to 80,429.49, 110,954.21 and 48,142.08 is: 66,413.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,429.49 : 110,954.21 = 48,142.08 : x
  2. Step 2: Convert to fraction form
    80,429.49/110,954.21 = 48,142.08/x
  3. Step 3: Cross multiply
    80,429.49x = 110,954.21 × 48,142.08
  4. Step 4: Simplify right side
    80,429.49x = 5,341,566,213.45
  5. Step 5: Solve for x
    x = 5,341,566,213.45/80,429.49
  6. Step 6: Final answer
    x = 66,413.03

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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.