Finding the Fourth Proportional to 71,746.29, 107,565.86 and 49,496.19
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Solution
The fourth proportional to 71,746.29, 107,565.86 and 49,496.19 is: 74,207.32
Step by Step Solution
- Step 1: Write the proportion equation
71,746.29 : 107,565.86 = 49,496.19 : x - Step 2: Convert to fraction form
71,746.29/107,565.86 = 49,496.19/x - Step 3: Cross multiply
71,746.29x = 107,565.86 × 49,496.19 - Step 4: Simplify right side
71,746.29x = 5,324,099,996.59 - Step 5: Solve for x
x = 5,324,099,996.59/71,746.29 - Step 6: Final answer
x = 74,207.32
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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.