Finding the Fourth Proportional to 90,615.39, 135,929.79 and 24,054.09
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Solution
The fourth proportional to 90,615.39, 135,929.79 and 24,054.09 is: 36,082.91
Step by Step Solution
- Step 1: Write the proportion equation
90,615.39 : 135,929.79 = 24,054.09 : x - Step 2: Convert to fraction form
90,615.39/135,929.79 = 24,054.09/x - Step 3: Cross multiply
90,615.39x = 135,929.79 × 24,054.09 - Step 4: Simplify right side
90,615.39x = 3,269,667,402.34 - Step 5: Solve for x
x = 3,269,667,402.34/90,615.39 - Step 6: Final answer
x = 36,082.91
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.