Finding the Fourth Proportional to 107,220.11, 147,961.49 and 59,473.04
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Solution
The fourth proportional to 107,220.11, 147,961.49 and 59,473.04 is: 82,071.53
Step by Step Solution
- Step 1: Write the proportion equation
107,220.11 : 147,961.49 = 59,473.04 : x - Step 2: Convert to fraction form
107,220.11/147,961.49 = 59,473.04/x - Step 3: Cross multiply
107,220.11x = 147,961.49 × 59,473.04 - Step 4: Simplify right side
107,220.11x = 8,799,718,576.06 - Step 5: Solve for x
x = 8,799,718,576.06/107,220.11 - Step 6: Final answer
x = 82,071.53
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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.