Finding the Fourth Proportional to 88,292.48, 121,844.12 and 48,006.64
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Solution
The fourth proportional to 88,292.48, 121,844.12 and 48,006.64 is: 66,249.43
Step by Step Solution
- Step 1: Write the proportion equation
88,292.48 : 121,844.12 = 48,006.64 : x - Step 2: Convert to fraction form
88,292.48/121,844.12 = 48,006.64/x - Step 3: Cross multiply
88,292.48x = 121,844.12 × 48,006.64 - Step 4: Simplify right side
88,292.48x = 5,849,326,804.96 - Step 5: Solve for x
x = 5,849,326,804.96/88,292.48 - Step 6: Final answer
x = 66,249.43
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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.