Finding the Fourth Proportional to 67,455.05, 101,231.93 and 32,419.31
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Solution
The fourth proportional to 67,455.05, 101,231.93 and 32,419.31 is: 48,652.68
Step by Step Solution
- Step 1: Write the proportion equation
67,455.05 : 101,231.93 = 32,419.31 : x - Step 2: Convert to fraction form
67,455.05/101,231.93 = 32,419.31/x - Step 3: Cross multiply
67,455.05x = 101,231.93 × 32,419.31 - Step 4: Simplify right side
67,455.05x = 3,281,868,652.31 - Step 5: Solve for x
x = 3,281,868,652.31/67,455.05 - Step 6: Final answer
x = 48,652.68
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.