Finding the Fourth Proportional to 102,581.99, 141,586.76 and 60,154.19
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Solution
The fourth proportional to 102,581.99, 141,586.76 and 60,154.19 is: 83,026.63
Step by Step Solution
- Step 1: Write the proportion equation
102,581.99 : 141,586.76 = 60,154.19 : x - Step 2: Convert to fraction form
102,581.99/141,586.76 = 60,154.19/x - Step 3: Cross multiply
102,581.99x = 141,586.76 × 60,154.19 - Step 4: Simplify right side
102,581.99x = 8,517,036,862.52 - Step 5: Solve for x
x = 8,517,036,862.52/102,581.99 - Step 6: Final answer
x = 83,026.63
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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.