Finding the Fourth Proportional to 86,393.07, 119,223.63 and 48,151.55
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Solution
The fourth proportional to 86,393.07, 119,223.63 and 48,151.55 is: 66,449.80
Step by Step Solution
- Step 1: Write the proportion equation
86,393.07 : 119,223.63 = 48,151.55 : x - Step 2: Convert to fraction form
86,393.07/119,223.63 = 48,151.55/x - Step 3: Cross multiply
86,393.07x = 119,223.63 × 48,151.55 - Step 4: Simplify right side
86,393.07x = 5,740,802,581.13 - Step 5: Solve for x
x = 5,740,802,581.13/86,393.07 - Step 6: Final answer
x = 66,449.80
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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.