Finding the Fourth Proportional to 96,930.97, 145,403.37 and 25,853.21
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Solution
The fourth proportional to 96,930.97, 145,403.37 and 25,853.21 is: 38,781.65
Step by Step Solution
- Step 1: Write the proportion equation
96,930.97 : 145,403.37 = 25,853.21 : x - Step 2: Convert to fraction form
96,930.97/145,403.37 = 25,853.21/x - Step 3: Cross multiply
96,930.97x = 145,403.37 × 25,853.21 - Step 4: Simplify right side
96,930.97x = 3,759,143,003.03 - Step 5: Solve for x
x = 3,759,143,003.03/96,930.97 - Step 6: Final answer
x = 38,781.65
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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.