Finding the Fourth Proportional to 97,580.96, 134,664.36 and 55,138.52
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Solution
The fourth proportional to 97,580.96, 134,664.36 and 55,138.52 is: 76,092.65
Step by Step Solution
- Step 1: Write the proportion equation
97,580.96 : 134,664.36 = 55,138.52 : x - Step 2: Convert to fraction form
97,580.96/134,664.36 = 55,138.52/x - Step 3: Cross multiply
97,580.96x = 134,664.36 × 55,138.52 - Step 4: Simplify right side
97,580.96x = 7,425,193,507.15 - Step 5: Solve for x
x = 7,425,193,507.15/97,580.96 - Step 6: Final answer
x = 76,092.65
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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.