Finding the Fourth Proportional to 106,077.24, 146,387.43 and 57,679.20
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Solution
The fourth proportional to 106,077.24, 146,387.43 and 57,679.20 is: 79,597.75
Step by Step Solution
- Step 1: Write the proportion equation
106,077.24 : 146,387.43 = 57,679.20 : x - Step 2: Convert to fraction form
106,077.24/146,387.43 = 57,679.20/x - Step 3: Cross multiply
106,077.24x = 146,387.43 × 57,679.20 - Step 4: Simplify right side
106,077.24x = 8,443,509,852.46 - Step 5: Solve for x
x = 8,443,509,852.46/106,077.24 - Step 6: Final answer
x = 79,597.75
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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.