Home / 72,804.07-109,221.69-41,229.05

Finding the Fourth Proportional to 72,804.07, 109,221.69 and 41,229.05

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Solution

The fourth proportional to 72,804.07, 109,221.69 and 41,229.05 is: 61,852.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,804.07 : 109,221.69 = 41,229.05 : x
  2. Step 2: Convert to fraction form
    72,804.07/109,221.69 = 41,229.05/x
  3. Step 3: Cross multiply
    72,804.07x = 109,221.69 × 41,229.05
  4. Step 4: Simplify right side
    72,804.07x = 4,503,106,625.01
  5. Step 5: Solve for x
    x = 4,503,106,625.01/72,804.07
  6. Step 6: Final answer
    x = 61,852.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.