Finding the Fourth Proportional to 75,399.91, 113,118.49 and 53,256.53
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Solution
The fourth proportional to 75,399.91, 113,118.49 and 53,256.53 is: 79,897.95
Step by Step Solution
- Step 1: Write the proportion equation
75,399.91 : 113,118.49 = 53,256.53 : x - Step 2: Convert to fraction form
75,399.91/113,118.49 = 53,256.53/x - Step 3: Cross multiply
75,399.91x = 113,118.49 × 53,256.53 - Step 4: Simplify right side
75,399.91x = 6,024,298,256.24 - Step 5: Solve for x
x = 6,024,298,256.24/75,399.91 - Step 6: Final answer
x = 79,897.95
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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.