Finding the Fourth Proportional to 74,546.64, 111,871.80 and 48,186
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Solution
The fourth proportional to 74,546.64, 111,871.80 and 48,186 is: 72,312.51
Step by Step Solution
- Step 1: Write the proportion equation
74,546.64 : 111,871.80 = 48,186 : x - Step 2: Convert to fraction form
74,546.64/111,871.80 = 48,186/x - Step 3: Cross multiply
74,546.64x = 111,871.80 × 48,186 - Step 4: Simplify right side
74,546.64x = 5,390,654,554.80 - Step 5: Solve for x
x = 5,390,654,554.80/74,546.64 - Step 6: Final answer
x = 72,312.51
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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.