Home / 80,485.23-111,067.50-44,674.32

Finding the Fourth Proportional to 80,485.23, 111,067.50 and 44,674.32

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Solution

The fourth proportional to 80,485.23, 111,067.50 and 44,674.32 is: 61,649.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,485.23 : 111,067.50 = 44,674.32 : x
  2. Step 2: Convert to fraction form
    80,485.23/111,067.50 = 44,674.32/x
  3. Step 3: Cross multiply
    80,485.23x = 111,067.50 × 44,674.32
  4. Step 4: Simplify right side
    80,485.23x = 4,961,865,036.60
  5. Step 5: Solve for x
    x = 4,961,865,036.60/80,485.23
  6. Step 6: Final answer
    x = 61,649.39

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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.