Finding the Fourth Proportional to 75,800.12, 113,705.64 and 23,202.77
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Solution
The fourth proportional to 75,800.12, 113,705.64 and 23,202.77 is: 34,805.82
Step by Step Solution
- Step 1: Write the proportion equation
75,800.12 : 113,705.64 = 23,202.77 : x - Step 2: Convert to fraction form
75,800.12/113,705.64 = 23,202.77/x - Step 3: Cross multiply
75,800.12x = 113,705.64 × 23,202.77 - Step 4: Simplify right side
75,800.12x = 2,638,285,244.09 - Step 5: Solve for x
x = 2,638,285,244.09/75,800.12 - Step 6: Final answer
x = 34,805.82
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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.