Finding the Fourth Proportional to 93.97, 129.63 and 58.96
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Solution
The fourth proportional to 93.97, 129.63 and 58.96 is: 81.34
Step by Step Solution
- Step 1: Write the proportion equation
93.97 : 129.63 = 58.96 : x - Step 2: Convert to fraction form
93.97/129.63 = 58.96/x - Step 3: Cross multiply
93.97x = 129.63 × 58.96 - Step 4: Simplify right side
93.97x = 7,643.37 - Step 5: Solve for x
x = 7,643.37/93.97 - Step 6: Final answer
x = 81.34
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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.