Finding the Fourth Proportional to 97,464.60, 134,508.78 and 55,027.80
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Solution
The fourth proportional to 97,464.60, 134,508.78 and 55,027.80 is: 75,942.67
Step by Step Solution
- Step 1: Write the proportion equation
97,464.60 : 134,508.78 = 55,027.80 : x - Step 2: Convert to fraction form
97,464.60/134,508.78 = 55,027.80/x - Step 3: Cross multiply
97,464.60x = 134,508.78 × 55,027.80 - Step 4: Simplify right side
97,464.60x = 7,401,722,244.08 - Step 5: Solve for x
x = 7,401,722,244.08/97,464.60 - Step 6: Final answer
x = 75,942.67
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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.