Finding the Fourth Proportional to 84,003.67, 115,924.98 and 48,192.13
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Solution
The fourth proportional to 84,003.67, 115,924.98 and 48,192.13 is: 66,505.09
Step by Step Solution
- Step 1: Write the proportion equation
84,003.67 : 115,924.98 = 48,192.13 : x - Step 2: Convert to fraction form
84,003.67/115,924.98 = 48,192.13/x - Step 3: Cross multiply
84,003.67x = 115,924.98 × 48,192.13 - Step 4: Simplify right side
84,003.67x = 5,586,671,706.41 - Step 5: Solve for x
x = 5,586,671,706.41/84,003.67 - Step 6: Final answer
x = 66,505.09
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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.