Finding the Fourth Proportional to 75,269.84, 112,898.99 and 27,862.68
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Solution
The fourth proportional to 75,269.84, 112,898.99 and 27,862.68 is: 41,791.88
Step by Step Solution
- Step 1: Write the proportion equation
75,269.84 : 112,898.99 = 27,862.68 : x - Step 2: Convert to fraction form
75,269.84/112,898.99 = 27,862.68/x - Step 3: Cross multiply
75,269.84x = 112,898.99 × 27,862.68 - Step 4: Simplify right side
75,269.84x = 3,145,668,430.69 - Step 5: Solve for x
x = 3,145,668,430.69/75,269.84 - Step 6: Final answer
x = 41,791.88
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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.