Finding the Fourth Proportional to 71,465.64, 107,176.51 and 49,420.68
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Solution
The fourth proportional to 71,465.64, 107,176.51 and 49,420.68 is: 74,115.84
Step by Step Solution
- Step 1: Write the proportion equation
71,465.64 : 107,176.51 = 49,420.68 : x - Step 2: Convert to fraction form
71,465.64/107,176.51 = 49,420.68/x - Step 3: Cross multiply
71,465.64x = 107,176.51 × 49,420.68 - Step 4: Simplify right side
71,465.64x = 5,296,736,004.23 - Step 5: Solve for x
x = 5,296,736,004.23/71,465.64 - Step 6: Final answer
x = 74,115.84
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.