Finding the Fourth Proportional to 88,790.13, 133,183.85 and 26,460.63
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Solution
The fourth proportional to 88,790.13, 133,183.85 and 26,460.63 is: 39,690.54
Step by Step Solution
- Step 1: Write the proportion equation
88,790.13 : 133,183.85 = 26,460.63 : x - Step 2: Convert to fraction form
88,790.13/133,183.85 = 26,460.63/x - Step 3: Cross multiply
88,790.13x = 133,183.85 × 26,460.63 - Step 4: Simplify right side
88,790.13x = 3,524,128,444.52 - Step 5: Solve for x
x = 3,524,128,444.52/88,790.13 - Step 6: Final answer
x = 39,690.54
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.