Finding the Fourth Proportional to 97,858.38, 134,995.16 and 57,546.48
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Solution
The fourth proportional to 97,858.38, 134,995.16 and 57,546.48 is: 79,385.09
Step by Step Solution
- Step 1: Write the proportion equation
97,858.38 : 134,995.16 = 57,546.48 : x - Step 2: Convert to fraction form
97,858.38/134,995.16 = 57,546.48/x - Step 3: Cross multiply
97,858.38x = 134,995.16 × 57,546.48 - Step 4: Simplify right side
97,858.38x = 7,768,496,275.04 - Step 5: Solve for x
x = 7,768,496,275.04/97,858.38 - Step 6: Final answer
x = 79,385.09
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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.