Finding the Fourth Proportional to 68,740.16, 103,126.64 and 24,370.79
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Solution
The fourth proportional to 68,740.16, 103,126.64 and 24,370.79 is: 36,561.99
Step by Step Solution
- Step 1: Write the proportion equation
68,740.16 : 103,126.64 = 24,370.79 : x - Step 2: Convert to fraction form
68,740.16/103,126.64 = 24,370.79/x - Step 3: Cross multiply
68,740.16x = 103,126.64 × 24,370.79 - Step 4: Simplify right side
68,740.16x = 2,513,277,049.36 - Step 5: Solve for x
x = 2,513,277,049.36/68,740.16 - Step 6: Final answer
x = 36,561.99
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1.5x scale
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.