Finding the Fourth Proportional to 77,088.21, 115,630.52 and 35,535.21
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Solution
The fourth proportional to 77,088.21, 115,630.52 and 35,535.21 is: 53,301.99
Step by Step Solution
- Step 1: Write the proportion equation
77,088.21 : 115,630.52 = 35,535.21 : x - Step 2: Convert to fraction form
77,088.21/115,630.52 = 35,535.21/x - Step 3: Cross multiply
77,088.21x = 115,630.52 × 35,535.21 - Step 4: Simplify right side
77,088.21x = 4,108,954,632.93 - Step 5: Solve for x
x = 4,108,954,632.93/77,088.21 - Step 6: Final answer
x = 53,301.99
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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.