Finding the Fourth Proportional to 94,759.10, 130,767.74 and 52,317.68
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Solution
The fourth proportional to 94,759.10, 130,767.74 and 52,317.68 is: 72,198.50
Step by Step Solution
- Step 1: Write the proportion equation
94,759.10 : 130,767.74 = 52,317.68 : x - Step 2: Convert to fraction form
94,759.10/130,767.74 = 52,317.68/x - Step 3: Cross multiply
94,759.10x = 130,767.74 × 52,317.68 - Step 4: Simplify right side
94,759.10x = 6,841,464,775.64 - Step 5: Solve for x
x = 6,841,464,775.64/94,759.10 - Step 6: Final answer
x = 72,198.50
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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.