Finding the Fourth Proportional to 84,691.08, 116,580.36 and 73,200.76
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Solution
The fourth proportional to 84,691.08, 116,580.36 and 73,200.76 is: 100,763.52
Step by Step Solution
- Step 1: Write the proportion equation
84,691.08 : 116,580.36 = 73,200.76 : x - Step 2: Convert to fraction form
84,691.08/116,580.36 = 73,200.76/x - Step 3: Cross multiply
84,691.08x = 116,580.36 × 73,200.76 - Step 4: Simplify right side
84,691.08x = 8,533,770,953.07 - Step 5: Solve for x
x = 8,533,770,953.07/84,691.08 - Step 6: Final answer
x = 100,763.52
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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.