Finding the Fourth Proportional to 72,112.68, 108,022.14 and 58,833
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Solution
The fourth proportional to 72,112.68, 108,022.14 and 58,833 is: 88,129.67
Step by Step Solution
- Step 1: Write the proportion equation
72,112.68 : 108,022.14 = 58,833 : x - Step 2: Convert to fraction form
72,112.68/108,022.14 = 58,833/x - Step 3: Cross multiply
72,112.68x = 108,022.14 × 58,833 - Step 4: Simplify right side
72,112.68x = 6,355,266,562.62 - Step 5: Solve for x
x = 6,355,266,562.62/72,112.68 - Step 6: Final answer
x = 88,129.67
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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.