Finding the Fourth Proportional to 86,566.98, 119,455.62 and 48,323.54
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Solution
The fourth proportional to 86,566.98, 119,455.62 and 48,323.54 is: 66,682.68
Step by Step Solution
- Step 1: Write the proportion equation
86,566.98 : 119,455.62 = 48,323.54 : x - Step 2: Convert to fraction form
86,566.98/119,455.62 = 48,323.54/x - Step 3: Cross multiply
86,566.98x = 119,455.62 × 48,323.54 - Step 4: Simplify right side
86,566.98x = 5,772,518,431.29 - Step 5: Solve for x
x = 5,772,518,431.29/86,566.98 - Step 6: Final answer
x = 66,682.68
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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.