Home / 80,028.78-110,436.75-44,218.02

Finding the Fourth Proportional to 80,028.78, 110,436.75 and 44,218.02

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Solution

The fourth proportional to 80,028.78, 110,436.75 and 44,218.02 is: 61,019.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,028.78 : 110,436.75 = 44,218.02 : x
  2. Step 2: Convert to fraction form
    80,028.78/110,436.75 = 44,218.02/x
  3. Step 3: Cross multiply
    80,028.78x = 110,436.75 × 44,218.02
  4. Step 4: Simplify right side
    80,028.78x = 4,883,294,420.24
  5. Step 5: Solve for x
    x = 4,883,294,420.24/80,028.78
  6. Step 6: Final answer
    x = 61,019.23

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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.