Finding the Fourth Proportional to 86,392.68, 119,221.38 and 48,679.08
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Solution
The fourth proportional to 86,392.68, 119,221.38 and 48,679.08 is: 67,176.84
Step by Step Solution
- Step 1: Write the proportion equation
86,392.68 : 119,221.38 = 48,679.08 : x - Step 2: Convert to fraction form
86,392.68/119,221.38 = 48,679.08/x - Step 3: Cross multiply
86,392.68x = 119,221.38 × 48,679.08 - Step 4: Simplify right side
86,392.68x = 5,803,587,094.73 - Step 5: Solve for x
x = 5,803,587,094.73/86,392.68 - Step 6: Final answer
x = 67,176.84
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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.