Finding the Fourth Proportional to 94,157.08, 129,959.16 and 53,894.05
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Solution
The fourth proportional to 94,157.08, 129,959.16 and 53,894.05 is: 74,386.60
Step by Step Solution
- Step 1: Write the proportion equation
94,157.08 : 129,959.16 = 53,894.05 : x - Step 2: Convert to fraction form
94,157.08/129,959.16 = 53,894.05/x - Step 3: Cross multiply
94,157.08x = 129,959.16 × 53,894.05 - Step 4: Simplify right side
94,157.08x = 7,004,025,467.00 - Step 5: Solve for x
x = 7,004,025,467.00/94,157.08 - Step 6: Final answer
x = 74,386.60
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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.