Finding the Fourth Proportional to 90,167.05, 124,434.19 and 49,880.12
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Solution
The fourth proportional to 90,167.05, 124,434.19 and 49,880.12 is: 68,836.59
Step by Step Solution
- Step 1: Write the proportion equation
90,167.05 : 124,434.19 = 49,880.12 : x - Step 2: Convert to fraction form
90,167.05/124,434.19 = 49,880.12/x - Step 3: Cross multiply
90,167.05x = 124,434.19 × 49,880.12 - Step 4: Simplify right side
90,167.05x = 6,206,791,707.13 - Step 5: Solve for x
x = 6,206,791,707.13/90,167.05 - Step 6: Final answer
x = 68,836.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.