Finding the Fourth Proportional to 86,367.12, 119,178.36 and 48,125.04
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Solution
The fourth proportional to 86,367.12, 119,178.36 and 48,125.04 is: 66,407.95
Step by Step Solution
- Step 1: Write the proportion equation
86,367.12 : 119,178.36 = 48,125.04 : x - Step 2: Convert to fraction form
86,367.12/119,178.36 = 48,125.04/x - Step 3: Cross multiply
86,367.12x = 119,178.36 × 48,125.04 - Step 4: Simplify right side
86,367.12x = 5,735,463,342.13 - Step 5: Solve for x
x = 5,735,463,342.13/86,367.12 - Step 6: Final answer
x = 66,407.95
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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.