Finding the Fourth Proportional to 94,062.32, 129,809.48 and 53,776.08
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Solution
The fourth proportional to 94,062.32, 129,809.48 and 53,776.08 is: 74,212.98
Step by Step Solution
- Step 1: Write the proportion equation
94,062.32 : 129,809.48 = 53,776.08 : x - Step 2: Convert to fraction form
94,062.32/129,809.48 = 53,776.08/x - Step 3: Cross multiply
94,062.32x = 129,809.48 × 53,776.08 - Step 4: Simplify right side
94,062.32x = 6,980,644,981.24 - Step 5: Solve for x
x = 6,980,644,981.24/94,062.32 - Step 6: Final answer
x = 74,212.98
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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.