Finding the Fourth Proportional to 88,979.96, 122,792.36 and 48,693.75
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Solution
The fourth proportional to 88,979.96, 122,792.36 and 48,693.75 is: 67,197.37
Step by Step Solution
- Step 1: Write the proportion equation
88,979.96 : 122,792.36 = 48,693.75 : x - Step 2: Convert to fraction form
88,979.96/122,792.36 = 48,693.75/x - Step 3: Cross multiply
88,979.96x = 122,792.36 × 48,693.75 - Step 4: Simplify right side
88,979.96x = 5,979,219,775.81 - Step 5: Solve for x
x = 5,979,219,775.81/88,979.96 - Step 6: Final answer
x = 67,197.37
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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.