Finding the Fourth Proportional to 75,784.68, 113,747.04 and 38,371.08
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Solution
The fourth proportional to 75,784.68, 113,747.04 and 38,371.08 is: 57,592.07
Step by Step Solution
- Step 1: Write the proportion equation
75,784.68 : 113,747.04 = 38,371.08 : x - Step 2: Convert to fraction form
75,784.68/113,747.04 = 38,371.08/x - Step 3: Cross multiply
75,784.68x = 113,747.04 × 38,371.08 - Step 4: Simplify right side
75,784.68x = 4,364,596,771.60 - Step 5: Solve for x
x = 4,364,596,771.60/75,784.68 - Step 6: Final answer
x = 57,592.07
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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.