Finding the Fourth Proportional to 106,359.24, 146,773.84 and 57,961.59
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Solution
The fourth proportional to 106,359.24, 146,773.84 and 57,961.59 is: 79,985.95
Step by Step Solution
- Step 1: Write the proportion equation
106,359.24 : 146,773.84 = 57,961.59 : x - Step 2: Convert to fraction form
106,359.24/146,773.84 = 57,961.59/x - Step 3: Cross multiply
106,359.24x = 146,773.84 × 57,961.59 - Step 4: Simplify right side
106,359.24x = 8,507,245,136.81 - Step 5: Solve for x
x = 8,507,245,136.81/106,359.24 - Step 6: Final answer
x = 79,985.95
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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.