Finding the Fourth Proportional to 84,960.21, 117,252.56 and 46,726.49
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Solution
The fourth proportional to 84,960.21, 117,252.56 and 46,726.49 is: 64,486.66
Step by Step Solution
- Step 1: Write the proportion equation
84,960.21 : 117,252.56 = 46,726.49 : x - Step 2: Convert to fraction form
84,960.21/117,252.56 = 46,726.49/x - Step 3: Cross multiply
84,960.21x = 117,252.56 × 46,726.49 - Step 4: Simplify right side
84,960.21x = 5,478,800,572.31 - Step 5: Solve for x
x = 5,478,800,572.31/84,960.21 - Step 6: Final answer
x = 64,486.66
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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.