Finding the Fourth Proportional to 94,154.07, 129,955.02 and 53,891.07
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Solution
The fourth proportional to 94,154.07, 129,955.02 and 53,891.07 is: 74,382.50
Step by Step Solution
- Step 1: Write the proportion equation
94,154.07 : 129,955.02 = 53,891.07 : x - Step 2: Convert to fraction form
94,154.07/129,955.02 = 53,891.07/x - Step 3: Cross multiply
94,154.07x = 129,955.02 × 53,891.07 - Step 4: Simplify right side
94,154.07x = 7,003,415,079.67 - Step 5: Solve for x
x = 7,003,415,079.67/94,154.07 - Step 6: Final answer
x = 74,382.50
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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.