Finding the Fourth Proportional to 84,237.57, 116,239.05 and 48,432.74
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Solution
The fourth proportional to 84,237.57, 116,239.05 and 48,432.74 is: 66,832.12
Step by Step Solution
- Step 1: Write the proportion equation
84,237.57 : 116,239.05 = 48,432.74 : x - Step 2: Convert to fraction form
84,237.57/116,239.05 = 48,432.74/x - Step 3: Cross multiply
84,237.57x = 116,239.05 × 48,432.74 - Step 4: Simplify right side
84,237.57x = 5,629,775,105.30 - Step 5: Solve for x
x = 5,629,775,105.30/84,237.57 - Step 6: Final answer
x = 66,832.12
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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.