Finding the Fourth Proportional to 79,197.24, 118,722.05 and 39,708.23
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Solution
The fourth proportional to 79,197.24, 118,722.05 and 39,708.23 is: 59,525.33
Step by Step Solution
- Step 1: Write the proportion equation
79,197.24 : 118,722.05 = 39,708.23 : x - Step 2: Convert to fraction form
79,197.24/118,722.05 = 39,708.23/x - Step 3: Cross multiply
79,197.24x = 118,722.05 × 39,708.23 - Step 4: Simplify right side
79,197.24x = 4,714,242,047.58 - Step 5: Solve for x
x = 4,714,242,047.58/79,197.24 - Step 6: Final answer
x = 59,525.33
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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.