Finding the Fourth Proportional to 86,627.97, 119,545.31 and 48,388.05
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Solution
The fourth proportional to 86,627.97, 119,545.31 and 48,388.05 is: 66,774.79
Step by Step Solution
- Step 1: Write the proportion equation
86,627.97 : 119,545.31 = 48,388.05 : x - Step 2: Convert to fraction form
86,627.97/119,545.31 = 48,388.05/x - Step 3: Cross multiply
86,627.97x = 119,545.31 × 48,388.05 - Step 4: Simplify right side
86,627.97x = 5,784,564,558.52 - Step 5: Solve for x
x = 5,784,564,558.52/86,627.97 - Step 6: Final answer
x = 66,774.79
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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.