Finding the Fourth Proportional to 86,562.07, 119,461.64 and 48,329.12
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Solution
The fourth proportional to 86,562.07, 119,461.64 and 48,329.12 is: 66,697.53
Step by Step Solution
- Step 1: Write the proportion equation
86,562.07 : 119,461.64 = 48,329.12 : x - Step 2: Convert to fraction form
86,562.07/119,461.64 = 48,329.12/x - Step 3: Cross multiply
86,562.07x = 119,461.64 × 48,329.12 - Step 4: Simplify right side
86,562.07x = 5,773,475,991.97 - Step 5: Solve for x
x = 5,773,475,991.97/86,562.07 - Step 6: Final answer
x = 66,697.53
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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.