Finding the Fourth Proportional to 93.80, 140.58 and 48.08
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Solution
The fourth proportional to 93.80, 140.58 and 48.08 is: 72.06
Step by Step Solution
- Step 1: Write the proportion equation
93.80 : 140.58 = 48.08 : x - Step 2: Convert to fraction form
93.80/140.58 = 48.08/x - Step 3: Cross multiply
93.80x = 140.58 × 48.08 - Step 4: Simplify right side
93.80x = 6,759.09 - Step 5: Solve for x
x = 6,759.09/93.80 - Step 6: Final answer
x = 72.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.