Finding the Fourth Proportional to 75,075.19, 103,603.77 and 41,083.68
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Solution
The fourth proportional to 75,075.19, 103,603.77 and 41,083.68 is: 56,695.49
Step by Step Solution
- Step 1: Write the proportion equation
75,075.19 : 103,603.77 = 41,083.68 : x - Step 2: Convert to fraction form
75,075.19/103,603.77 = 41,083.68/x - Step 3: Cross multiply
75,075.19x = 103,603.77 × 41,083.68 - Step 4: Simplify right side
75,075.19x = 4,256,424,133.47 - Step 5: Solve for x
x = 4,256,424,133.47/75,075.19 - Step 6: Final answer
x = 56,695.49
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.