Finding the Fourth Proportional to 94,305.08, 130,138.42 and 51,863.62
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Solution
The fourth proportional to 94,305.08, 130,138.42 and 51,863.62 is: 71,570.37
Step by Step Solution
- Step 1: Write the proportion equation
94,305.08 : 130,138.42 = 51,863.62 : x - Step 2: Convert to fraction form
94,305.08/130,138.42 = 51,863.62/x - Step 3: Cross multiply
94,305.08x = 130,138.42 × 51,863.62 - Step 4: Simplify right side
94,305.08x = 6,749,449,562.28 - Step 5: Solve for x
x = 6,749,449,562.28/94,305.08 - Step 6: Final answer
x = 71,570.37
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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.