Finding the Fourth Proportional to 96,695.13, 133,445.16 and 64,373.97
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Solution
The fourth proportional to 96,695.13, 133,445.16 and 64,373.97 is: 88,839.99
Step by Step Solution
- Step 1: Write the proportion equation
96,695.13 : 133,445.16 = 64,373.97 : x - Step 2: Convert to fraction form
96,695.13/133,445.16 = 64,373.97/x - Step 3: Cross multiply
96,695.13x = 133,445.16 × 64,373.97 - Step 4: Simplify right side
96,695.13x = 8,590,394,726.49 - Step 5: Solve for x
x = 8,590,394,726.49/96,695.13 - Step 6: Final answer
x = 88,839.99
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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.