Finding the Fourth Proportional to 75,779.11, 113,767.08 and 58,261.24
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Solution
The fourth proportional to 75,779.11, 113,767.08 and 58,261.24 is: 87,467.52
Step by Step Solution
- Step 1: Write the proportion equation
75,779.11 : 113,767.08 = 58,261.24 : x - Step 2: Convert to fraction form
75,779.11/113,767.08 = 58,261.24/x - Step 3: Cross multiply
75,779.11x = 113,767.08 × 58,261.24 - Step 4: Simplify right side
75,779.11x = 6,628,211,151.98 - Step 5: Solve for x
x = 6,628,211,151.98/75,779.11 - Step 6: Final answer
x = 87,467.52
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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.