Finding the Fourth Proportional to 93.02, 140.10 and 83.99
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Solution
The fourth proportional to 93.02, 140.10 and 83.99 is: 126.49
Step by Step Solution
- Step 1: Write the proportion equation
93.02 : 140.10 = 83.99 : x - Step 2: Convert to fraction form
93.02/140.10 = 83.99/x - Step 3: Cross multiply
93.02x = 140.10 × 83.99 - Step 4: Simplify right side
93.02x = 11,766.95 - Step 5: Solve for x
x = 11,766.95/93.02 - Step 6: Final answer
x = 126.49
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.