Finding the Fourth Proportional to 86,333.70, 119,158.88 and 58,022.99
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Solution
The fourth proportional to 86,333.70, 119,158.88 and 58,022.99 is: 80,084.06
Step by Step Solution
- Step 1: Write the proportion equation
86,333.70 : 119,158.88 = 58,022.99 : x - Step 2: Convert to fraction form
86,333.70/119,158.88 = 58,022.99/x - Step 3: Cross multiply
86,333.70x = 119,158.88 × 58,022.99 - Step 4: Simplify right side
86,333.70x = 6,913,953,616.74 - Step 5: Solve for x
x = 6,913,953,616.74/86,333.70 - Step 6: Final answer
x = 80,084.06
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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.