Finding the Fourth Proportional to 68,049.99, 101,971.04 and 28,585.53
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Solution
The fourth proportional to 68,049.99, 101,971.04 and 28,585.53 is: 42,834.63
Step by Step Solution
- Step 1: Write the proportion equation
68,049.99 : 101,971.04 = 28,585.53 : x - Step 2: Convert to fraction form
68,049.99/101,971.04 = 28,585.53/x - Step 3: Cross multiply
68,049.99x = 101,971.04 × 28,585.53 - Step 4: Simplify right side
68,049.99x = 2,914,896,080.12 - Step 5: Solve for x
x = 2,914,896,080.12/68,049.99 - Step 6: Final answer
x = 42,834.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.