Finding the Fourth Proportional to 70,593.93, 105,795.21 and 38,956.55
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Solution
The fourth proportional to 70,593.93, 105,795.21 and 38,956.55 is: 58,382.02
Step by Step Solution
- Step 1: Write the proportion equation
70,593.93 : 105,795.21 = 38,956.55 : x - Step 2: Convert to fraction form
70,593.93/105,795.21 = 38,956.55/x - Step 3: Cross multiply
70,593.93x = 105,795.21 × 38,956.55 - Step 4: Simplify right side
70,593.93x = 4,121,416,005.24 - Step 5: Solve for x
x = 4,121,416,005.24/70,593.93 - Step 6: Final answer
x = 58,382.02
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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.