Finding the Fourth Proportional to 94,102.82, 129,853.86 and 53,810.08
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Solution
The fourth proportional to 94,102.82, 129,853.86 and 53,810.08 is: 74,253.32
Step by Step Solution
- Step 1: Write the proportion equation
94,102.82 : 129,853.86 = 53,810.08 : x - Step 2: Convert to fraction form
94,102.82/129,853.86 = 53,810.08/x - Step 3: Cross multiply
94,102.82x = 129,853.86 × 53,810.08 - Step 4: Simplify right side
94,102.82x = 6,987,446,594.91 - Step 5: Solve for x
x = 6,987,446,594.91/94,102.82 - Step 6: Final answer
x = 74,253.32
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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.