Finding the Fourth Proportional to 71,328.96, 106,959.69 and 26,338.95
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Solution
The fourth proportional to 71,328.96, 106,959.69 and 26,338.95 is: 39,495.96
Step by Step Solution
- Step 1: Write the proportion equation
71,328.96 : 106,959.69 = 26,338.95 : x - Step 2: Convert to fraction form
71,328.96/106,959.69 = 26,338.95/x - Step 3: Cross multiply
71,328.96x = 106,959.69 × 26,338.95 - Step 4: Simplify right side
71,328.96x = 2,817,205,926.93 - Step 5: Solve for x
x = 2,817,205,926.93/71,328.96 - Step 6: Final answer
x = 39,495.96
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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.