Finding the Fourth Proportional to 75,865.08, 113,797.68 and 19,700.48
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Solution
The fourth proportional to 75,865.08, 113,797.68 and 19,700.48 is: 29,550.73
Step by Step Solution
- Step 1: Write the proportion equation
75,865.08 : 113,797.68 = 19,700.48 : x - Step 2: Convert to fraction form
75,865.08/113,797.68 = 19,700.48/x - Step 3: Cross multiply
75,865.08x = 113,797.68 × 19,700.48 - Step 4: Simplify right side
75,865.08x = 2,241,868,349.90 - Step 5: Solve for x
x = 2,241,868,349.90/75,865.08 - Step 6: Final answer
x = 29,550.73
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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.