Finding the Fourth Proportional to 89,273.57, 123,197.74 and 48,987.66
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Solution
The fourth proportional to 89,273.57, 123,197.74 and 48,987.66 is: 67,603.09
Step by Step Solution
- Step 1: Write the proportion equation
89,273.57 : 123,197.74 = 48,987.66 : x - Step 2: Convert to fraction form
89,273.57/123,197.74 = 48,987.66/x - Step 3: Cross multiply
89,273.57x = 123,197.74 × 48,987.66 - Step 4: Simplify right side
89,273.57x = 6,035,169,614.97 - Step 5: Solve for x
x = 6,035,169,614.97/89,273.57 - Step 6: Final answer
x = 67,603.09
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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.