Finding the Fourth Proportional to 84,600.48, 116,763.12 and 48,784.08
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Solution
The fourth proportional to 84,600.48, 116,763.12 and 48,784.08 is: 67,330.37
Step by Step Solution
- Step 1: Write the proportion equation
84,600.48 : 116,763.12 = 48,784.08 : x - Step 2: Convert to fraction form
84,600.48/116,763.12 = 48,784.08/x - Step 3: Cross multiply
84,600.48x = 116,763.12 × 48,784.08 - Step 4: Simplify right side
84,600.48x = 5,696,181,387.13 - Step 5: Solve for x
x = 5,696,181,387.13/84,600.48 - Step 6: Final answer
x = 67,330.37
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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.