Finding the Fourth Proportional to 132,424.13, 182,747.29 and 71,994.63
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Solution
The fourth proportional to 132,424.13, 182,747.29 and 71,994.63 is: 99,353.67
Step by Step Solution
- Step 1: Write the proportion equation
132,424.13 : 182,747.29 = 71,994.63 : x - Step 2: Convert to fraction form
132,424.13/182,747.29 = 71,994.63/x - Step 3: Cross multiply
132,424.13x = 182,747.29 × 71,994.63 - Step 4: Simplify right side
132,424.13x = 13,156,823,347.07 - Step 5: Solve for x
x = 13,156,823,347.07/132,424.13 - Step 6: Final answer
x = 99,353.67
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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.