Finding the Fourth Proportional to 94,291.11, 130,115.93 and 53,995.64
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Solution
The fourth proportional to 94,291.11, 130,115.93 and 53,995.64 is: 74,510.65
Step by Step Solution
- Step 1: Write the proportion equation
94,291.11 : 130,115.93 = 53,995.64 : x - Step 2: Convert to fraction form
94,291.11/130,115.93 = 53,995.64/x - Step 3: Cross multiply
94,291.11x = 130,115.93 × 53,995.64 - Step 4: Simplify right side
94,291.11x = 7,025,691,993.99 - Step 5: Solve for x
x = 7,025,691,993.99/94,291.11 - Step 6: Final answer
x = 74,510.65
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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.