Finding the Fourth Proportional to 86,625.48, 119,542.26 and 48,901.32
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Solution
The fourth proportional to 86,625.48, 119,542.26 and 48,901.32 is: 67,483.31
Step by Step Solution
- Step 1: Write the proportion equation
86,625.48 : 119,542.26 = 48,901.32 : x - Step 2: Convert to fraction form
86,625.48/119,542.26 = 48,901.32/x - Step 3: Cross multiply
86,625.48x = 119,542.26 × 48,901.32 - Step 4: Simplify right side
86,625.48x = 5,845,774,309.78 - Step 5: Solve for x
x = 5,845,774,309.78/86,625.48 - Step 6: Final answer
x = 67,483.31
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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.