Finding the Fourth Proportional to 102,833.53, 141,909.29 and 57,510.99
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Solution
The fourth proportional to 102,833.53, 141,909.29 and 57,510.99 is: 79,364.62
Step by Step Solution
- Step 1: Write the proportion equation
102,833.53 : 141,909.29 = 57,510.99 : x - Step 2: Convert to fraction form
102,833.53/141,909.29 = 57,510.99/x - Step 3: Cross multiply
102,833.53x = 141,909.29 × 57,510.99 - Step 4: Simplify right side
102,833.53x = 8,161,343,758.10 - Step 5: Solve for x
x = 8,161,343,758.10/102,833.53 - Step 6: Final answer
x = 79,364.62
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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.