Finding the Fourth Proportional to 94,122.98, 129,913.74 and 53,849.42
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Solution
The fourth proportional to 94,122.98, 129,913.74 and 53,849.42 is: 74,325.95
Step by Step Solution
- Step 1: Write the proportion equation
94,122.98 : 129,913.74 = 53,849.42 : x - Step 2: Convert to fraction form
94,122.98/129,913.74 = 53,849.42/x - Step 3: Cross multiply
94,122.98x = 129,913.74 × 53,849.42 - Step 4: Simplify right side
94,122.98x = 6,995,779,549.03 - Step 5: Solve for x
x = 6,995,779,549.03/94,122.98 - Step 6: Final answer
x = 74,325.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.