Finding the Fourth Proportional to 72,763.08, 109,144.26 and 62,872.08
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Solution
The fourth proportional to 72,763.08, 109,144.26 and 62,872.08 is: 94,307.81
Step by Step Solution
- Step 1: Write the proportion equation
72,763.08 : 109,144.26 = 62,872.08 : x - Step 2: Convert to fraction form
72,763.08/109,144.26 = 62,872.08/x - Step 3: Cross multiply
72,763.08x = 109,144.26 × 62,872.08 - Step 4: Simplify right side
72,763.08x = 6,862,126,646.26 - Step 5: Solve for x
x = 6,862,126,646.26/72,763.08 - Step 6: Final answer
x = 94,307.81
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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.