Finding the Fourth Proportional to 94,186.64, 129,977.36 and 51,743.68
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Solution
The fourth proportional to 94,186.64, 129,977.36 and 51,743.68 is: 71,406.17
Step by Step Solution
- Step 1: Write the proportion equation
94,186.64 : 129,977.36 = 51,743.68 : x - Step 2: Convert to fraction form
94,186.64/129,977.36 = 51,743.68/x - Step 3: Cross multiply
94,186.64x = 129,977.36 × 51,743.68 - Step 4: Simplify right side
94,186.64x = 6,725,506,923.08 - Step 5: Solve for x
x = 6,725,506,923.08/94,186.64 - Step 6: Final answer
x = 71,406.17
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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.