Finding the Fourth Proportional to 77,553.26, 107,066.10 and 46,932.08
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Solution
The fourth proportional to 77,553.26, 107,066.10 and 46,932.08 is: 64,792.04
Step by Step Solution
- Step 1: Write the proportion equation
77,553.26 : 107,066.10 = 46,932.08 : x - Step 2: Convert to fraction form
77,553.26/107,066.10 = 46,932.08/x - Step 3: Cross multiply
77,553.26x = 107,066.10 × 46,932.08 - Step 4: Simplify right side
77,553.26x = 5,024,834,411.15 - Step 5: Solve for x
x = 5,024,834,411.15/77,553.26 - Step 6: Final answer
x = 64,792.04
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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.