Finding the Fourth Proportional to 68,504.74, 102,763.95 and 18,585.66
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Solution
The fourth proportional to 68,504.74, 102,763.95 and 18,585.66 is: 27,880.35
Step by Step Solution
- Step 1: Write the proportion equation
68,504.74 : 102,763.95 = 18,585.66 : x - Step 2: Convert to fraction form
68,504.74/102,763.95 = 18,585.66/x - Step 3: Cross multiply
68,504.74x = 102,763.95 × 18,585.66 - Step 4: Simplify right side
68,504.74x = 1,909,935,834.96 - Step 5: Solve for x
x = 1,909,935,834.96/68,504.74 - Step 6: Final answer
x = 27,880.35
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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.