Finding the Fourth Proportional to 89,913.38, 124,071.63 and 49,624.54
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Solution
The fourth proportional to 89,913.38, 124,071.63 and 49,624.54 is: 68,476.99
Step by Step Solution
- Step 1: Write the proportion equation
89,913.38 : 124,071.63 = 49,624.54 : x - Step 2: Convert to fraction form
89,913.38/124,071.63 = 49,624.54/x - Step 3: Cross multiply
89,913.38x = 124,071.63 × 49,624.54 - Step 4: Simplify right side
89,913.38x = 6,156,997,565.80 - Step 5: Solve for x
x = 6,156,997,565.80/89,913.38 - Step 6: Final answer
x = 68,476.99
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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.