Finding the Fourth Proportional to 84,961.19, 117,248.34 and 46,718.31
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Solution
The fourth proportional to 84,961.19, 117,248.34 and 46,718.31 is: 64,472.32
Step by Step Solution
- Step 1: Write the proportion equation
84,961.19 : 117,248.34 = 46,718.31 : x - Step 2: Convert to fraction form
84,961.19/117,248.34 = 46,718.31/x - Step 3: Cross multiply
84,961.19x = 117,248.34 × 46,718.31 - Step 4: Simplify right side
84,961.19x = 5,477,644,295.11 - Step 5: Solve for x
x = 5,477,644,295.11/84,961.19 - Step 6: Final answer
x = 64,472.32
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1.5x scale
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.