Finding the Fourth Proportional to 81,907.36, 113,032.05 and 46,097.62
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Solution
The fourth proportional to 81,907.36, 113,032.05 and 46,097.62 is: 63,614.66
Step by Step Solution
- Step 1: Write the proportion equation
81,907.36 : 113,032.05 = 46,097.62 : x - Step 2: Convert to fraction form
81,907.36/113,032.05 = 46,097.62/x - Step 3: Cross multiply
81,907.36x = 113,032.05 × 46,097.62 - Step 4: Simplify right side
81,907.36x = 5,210,508,488.72 - Step 5: Solve for x
x = 5,210,508,488.72/81,907.36 - Step 6: Final answer
x = 63,614.66
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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.