Finding the Fourth Proportional to 75,239.51, 112,779.68 and 27,824.13
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Solution
The fourth proportional to 75,239.51, 112,779.68 and 27,824.13 is: 41,706.77
Step by Step Solution
- Step 1: Write the proportion equation
75,239.51 : 112,779.68 = 27,824.13 : x - Step 2: Convert to fraction form
75,239.51/112,779.68 = 27,824.13/x - Step 3: Cross multiply
75,239.51x = 112,779.68 × 27,824.13 - Step 4: Simplify right side
75,239.51x = 3,137,996,477.68 - Step 5: Solve for x
x = 3,137,996,477.68/75,239.51 - Step 6: Final answer
x = 41,706.77
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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.