Finding the Fourth Proportional to 79,256.97, 118,811.03 and 26,629.65
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Solution
The fourth proportional to 79,256.97, 118,811.03 and 26,629.65 is: 39,919.46
Step by Step Solution
- Step 1: Write the proportion equation
79,256.97 : 118,811.03 = 26,629.65 : x - Step 2: Convert to fraction form
79,256.97/118,811.03 = 26,629.65/x - Step 3: Cross multiply
79,256.97x = 118,811.03 × 26,629.65 - Step 4: Simplify right side
79,256.97x = 3,163,895,484.41 - Step 5: Solve for x
x = 3,163,895,484.41/79,256.97 - Step 6: Final answer
x = 39,919.46
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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.