Finding the Fourth Proportional to 75,690.02, 113,495.52 and 28,266.08
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Solution
The fourth proportional to 75,690.02, 113,495.52 and 28,266.08 is: 42,384.37
Step by Step Solution
- Step 1: Write the proportion equation
75,690.02 : 113,495.52 = 28,266.08 : x - Step 2: Convert to fraction form
75,690.02/113,495.52 = 28,266.08/x - Step 3: Cross multiply
75,690.02x = 113,495.52 × 28,266.08 - Step 4: Simplify right side
75,690.02x = 3,208,073,447.96 - Step 5: Solve for x
x = 3,208,073,447.96/75,690.02 - Step 6: Final answer
x = 42,384.37
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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.