Finding the Fourth Proportional to 94,254.12, 129,992.40 and 62,425.80
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Solution
The fourth proportional to 94,254.12, 129,992.40 and 62,425.80 is: 86,095.75
Step by Step Solution
- Step 1: Write the proportion equation
94,254.12 : 129,992.40 = 62,425.80 : x - Step 2: Convert to fraction form
94,254.12/129,992.40 = 62,425.80/x - Step 3: Cross multiply
94,254.12x = 129,992.40 × 62,425.80 - Step 4: Simplify right side
94,254.12x = 8,114,879,563.92 - Step 5: Solve for x
x = 8,114,879,563.92/94,254.12 - Step 6: Final answer
x = 86,095.75
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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.