Finding the Fourth Proportional to 86,384.14, 119,214.12 and 48,146.20
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Solution
The fourth proportional to 86,384.14, 119,214.12 and 48,146.20 is: 66,443.99
Step by Step Solution
- Step 1: Write the proportion equation
86,384.14 : 119,214.12 = 48,146.20 : x - Step 2: Convert to fraction form
86,384.14/119,214.12 = 48,146.20/x - Step 3: Cross multiply
86,384.14x = 119,214.12 × 48,146.20 - Step 4: Simplify right side
86,384.14x = 5,739,706,864.34 - Step 5: Solve for x
x = 5,739,706,864.34/86,384.14 - Step 6: Final answer
x = 66,443.99
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1.5x scale
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.