Finding the Fourth Proportional to 110,543.21, 165,847.12 and 35,661.71
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Solution
The fourth proportional to 110,543.21, 165,847.12 and 35,661.71 is: 53,502.99
Step by Step Solution
- Step 1: Write the proportion equation
110,543.21 : 165,847.12 = 35,661.71 : x - Step 2: Convert to fraction form
110,543.21/165,847.12 = 35,661.71/x - Step 3: Cross multiply
110,543.21x = 165,847.12 × 35,661.71 - Step 4: Simplify right side
110,543.21x = 5,914,391,897.78 - Step 5: Solve for x
x = 5,914,391,897.78/110,543.21 - Step 6: Final answer
x = 53,502.99
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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.