Finding the Fourth Proportional to 89,454.86, 123,448.66 and 48,618.99
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Solution
The fourth proportional to 89,454.86, 123,448.66 and 48,618.99 is: 67,094.73
Step by Step Solution
- Step 1: Write the proportion equation
89,454.86 : 123,448.66 = 48,618.99 : x - Step 2: Convert to fraction form
89,454.86/123,448.66 = 48,618.99/x - Step 3: Cross multiply
89,454.86x = 123,448.66 × 48,618.99 - Step 4: Simplify right side
89,454.86x = 6,001,949,044.51 - Step 5: Solve for x
x = 6,001,949,044.51/89,454.86 - Step 6: Final answer
x = 67,094.73
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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.