Finding the Fourth Proportional to 84,277.08, 116,239.32 and 58,784.76
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Solution
The fourth proportional to 84,277.08, 116,239.32 and 58,784.76 is: 81,078.99
Step by Step Solution
- Step 1: Write the proportion equation
84,277.08 : 116,239.32 = 58,784.76 : x - Step 2: Convert to fraction form
84,277.08/116,239.32 = 58,784.76/x - Step 3: Cross multiply
84,277.08x = 116,239.32 × 58,784.76 - Step 4: Simplify right side
84,277.08x = 6,833,100,528.76 - Step 5: Solve for x
x = 6,833,100,528.76/84,277.08 - Step 6: Final answer
x = 81,078.99
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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.