Finding the Fourth Proportional to 76,872.98, 106,044.37 and 62,548.80
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Solution
The fourth proportional to 76,872.98, 106,044.37 and 62,548.80 is: 86,284.52
Step by Step Solution
- Step 1: Write the proportion equation
76,872.98 : 106,044.37 = 62,548.80 : x - Step 2: Convert to fraction form
76,872.98/106,044.37 = 62,548.80/x - Step 3: Cross multiply
76,872.98x = 106,044.37 × 62,548.80 - Step 4: Simplify right side
76,872.98x = 6,632,947,933.88 - Step 5: Solve for x
x = 6,632,947,933.88/76,872.98 - Step 6: Final answer
x = 86,284.52
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1.5x scale
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.