Finding the Fourth Proportional to 86,503.26, 119,374.52 and 48,777.52
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Solution
The fourth proportional to 86,503.26, 119,374.52 and 48,777.52 is: 67,312.99
Step by Step Solution
- Step 1: Write the proportion equation
86,503.26 : 119,374.52 = 48,777.52 : x - Step 2: Convert to fraction form
86,503.26/119,374.52 = 48,777.52/x - Step 3: Cross multiply
86,503.26x = 119,374.52 × 48,777.52 - Step 4: Simplify right side
86,503.26x = 5,822,793,036.79 - Step 5: Solve for x
x = 5,822,793,036.79/86,503.26 - Step 6: Final answer
x = 67,312.99
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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.