Finding the Fourth Proportional to 86,532.93, 119,437.11 and 48,829.05
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Solution
The fourth proportional to 86,532.93, 119,437.11 and 48,829.05 is: 67,396.32
Step by Step Solution
- Step 1: Write the proportion equation
86,532.93 : 119,437.11 = 48,829.05 : x - Step 2: Convert to fraction form
86,532.93/119,437.11 = 48,829.05/x - Step 3: Cross multiply
86,532.93x = 119,437.11 × 48,829.05 - Step 4: Simplify right side
86,532.93x = 5,832,000,616.05 - Step 5: Solve for x
x = 5,832,000,616.05/86,532.93 - Step 6: Final answer
x = 67,396.32
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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.