Finding the Fourth Proportional to 94,372.11, 130,232.88 and 51,930.54
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Solution
The fourth proportional to 94,372.11, 130,232.88 and 51,930.54 is: 71,663.80
Step by Step Solution
- Step 1: Write the proportion equation
94,372.11 : 130,232.88 = 51,930.54 : x - Step 2: Convert to fraction form
94,372.11/130,232.88 = 51,930.54/x - Step 3: Cross multiply
94,372.11x = 130,232.88 × 51,930.54 - Step 4: Simplify right side
94,372.11x = 6,763,063,784.16 - Step 5: Solve for x
x = 6,763,063,784.16/94,372.11 - Step 6: Final answer
x = 71,663.80
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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.