Finding the Fourth Proportional to 94,648.24, 130,614.68 and 54,369.80
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Solution
The fourth proportional to 94,648.24, 130,614.68 and 54,369.80 is: 75,030.39
Step by Step Solution
- Step 1: Write the proportion equation
94,648.24 : 130,614.68 = 54,369.80 : x - Step 2: Convert to fraction form
94,648.24/130,614.68 = 54,369.80/x - Step 3: Cross multiply
94,648.24x = 130,614.68 × 54,369.80 - Step 4: Simplify right side
94,648.24x = 7,101,494,028.66 - Step 5: Solve for x
x = 7,101,494,028.66/94,648.24 - Step 6: Final answer
x = 75,030.39
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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.