Finding the Fourth Proportional to 75,274.04, 112,911.26 and 25,389.17
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Solution
The fourth proportional to 75,274.04, 112,911.26 and 25,389.17 is: 38,083.82
Step by Step Solution
- Step 1: Write the proportion equation
75,274.04 : 112,911.26 = 25,389.17 : x - Step 2: Convert to fraction form
75,274.04/112,911.26 = 25,389.17/x - Step 3: Cross multiply
75,274.04x = 112,911.26 × 25,389.17 - Step 4: Simplify right side
75,274.04x = 2,866,723,175.05 - Step 5: Solve for x
x = 2,866,723,175.05/75,274.04 - Step 6: Final answer
x = 38,083.82
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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.