Finding the Fourth Proportional to 94,014.54, 129,745.80 and 62,128.08
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Solution
The fourth proportional to 94,014.54, 129,745.80 and 62,128.08 is: 85,740.54
Step by Step Solution
- Step 1: Write the proportion equation
94,014.54 : 129,745.80 = 62,128.08 : x - Step 2: Convert to fraction form
94,014.54/129,745.80 = 62,128.08/x - Step 3: Cross multiply
94,014.54x = 129,745.80 × 62,128.08 - Step 4: Simplify right side
94,014.54x = 8,060,857,442.06 - Step 5: Solve for x
x = 8,060,857,442.06/94,014.54 - Step 6: Final answer
x = 85,740.54
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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.