Finding the Fourth Proportional to 93,198.06, 128,617.88 and 52,911.09
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Solution
The fourth proportional to 93,198.06, 128,617.88 and 52,911.09 is: 73,019.89
Step by Step Solution
- Step 1: Write the proportion equation
93,198.06 : 128,617.88 = 52,911.09 : x - Step 2: Convert to fraction form
93,198.06/128,617.88 = 52,911.09/x - Step 3: Cross multiply
93,198.06x = 128,617.88 × 52,911.09 - Step 4: Simplify right side
93,198.06x = 6,805,311,959.73 - Step 5: Solve for x
x = 6,805,311,959.73/93,198.06 - Step 6: Final answer
x = 73,019.89
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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.