Finding the Fourth Proportional to 125,276.24, 172,879.92 and 68,687.52
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Solution
The fourth proportional to 125,276.24, 172,879.92 and 68,687.52 is: 94,788.07
Step by Step Solution
- Step 1: Write the proportion equation
125,276.24 : 172,879.92 = 68,687.52 : x - Step 2: Convert to fraction form
125,276.24/172,879.92 = 68,687.52/x - Step 3: Cross multiply
125,276.24x = 172,879.92 × 68,687.52 - Step 4: Simplify right side
125,276.24x = 11,874,692,962.60 - Step 5: Solve for x
x = 11,874,692,962.60/125,276.24 - Step 6: Final answer
x = 94,788.07
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.