Finding the Fourth Proportional to 75,056.18, 112,585.62 and 25,126.97
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Solution
The fourth proportional to 75,056.18, 112,585.62 and 25,126.97 is: 37,690.90
Step by Step Solution
- Step 1: Write the proportion equation
75,056.18 : 112,585.62 = 25,126.97 : x - Step 2: Convert to fraction form
75,056.18/112,585.62 = 25,126.97/x - Step 3: Cross multiply
75,056.18x = 112,585.62 × 25,126.97 - Step 4: Simplify right side
75,056.18x = 2,828,934,933.24 - Step 5: Solve for x
x = 2,828,934,933.24/75,056.18 - Step 6: Final answer
x = 37,690.90
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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.