Finding the Fourth Proportional to 68,423.16, 102,490.74 and 35,041.80
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Solution
The fourth proportional to 68,423.16, 102,490.74 and 35,041.80 is: 52,488.95
Step by Step Solution
- Step 1: Write the proportion equation
68,423.16 : 102,490.74 = 35,041.80 : x - Step 2: Convert to fraction form
68,423.16/102,490.74 = 35,041.80/x - Step 3: Cross multiply
68,423.16x = 102,490.74 × 35,041.80 - Step 4: Simplify right side
68,423.16x = 3,591,460,012.93 - Step 5: Solve for x
x = 3,591,460,012.93/68,423.16 - Step 6: Final answer
x = 52,488.95
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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.