Finding the Fourth Proportional to 84,112.74, 116,075.16 and 46,386.99
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Solution
The fourth proportional to 84,112.74, 116,075.16 and 46,386.99 is: 64,013.81
Step by Step Solution
- Step 1: Write the proportion equation
84,112.74 : 116,075.16 = 46,386.99 : x - Step 2: Convert to fraction form
84,112.74/116,075.16 = 46,386.99/x - Step 3: Cross multiply
84,112.74x = 116,075.16 × 46,386.99 - Step 4: Simplify right side
84,112.74x = 5,384,377,286.17 - Step 5: Solve for x
x = 5,384,377,286.17/84,112.74 - Step 6: Final answer
x = 64,013.81
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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.