Finding the Fourth Proportional to 75,690.45, 113,549.45 and 25,767.99
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Solution
The fourth proportional to 75,690.45, 113,549.45 and 25,767.99 is: 38,656.67
Step by Step Solution
- Step 1: Write the proportion equation
75,690.45 : 113,549.45 = 25,767.99 : x - Step 2: Convert to fraction form
75,690.45/113,549.45 = 25,767.99/x - Step 3: Cross multiply
75,690.45x = 113,549.45 × 25,767.99 - Step 4: Simplify right side
75,690.45x = 2,925,940,963.27 - Step 5: Solve for x
x = 2,925,940,963.27/75,690.45 - Step 6: Final answer
x = 38,656.67
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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.