Finding the Fourth Proportional to 89,201.44, 133,814.40 and 51,779.08
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Solution
The fourth proportional to 89,201.44, 133,814.40 and 51,779.08 is: 77,675.72
Step by Step Solution
- Step 1: Write the proportion equation
89,201.44 : 133,814.40 = 51,779.08 : x - Step 2: Convert to fraction form
89,201.44/133,814.40 = 51,779.08/x - Step 3: Cross multiply
89,201.44x = 133,814.40 × 51,779.08 - Step 4: Simplify right side
89,201.44x = 6,928,786,522.75 - Step 5: Solve for x
x = 6,928,786,522.75/89,201.44 - Step 6: Final answer
x = 77,675.72
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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.