Finding the Fourth Proportional to 75,998.68, 114,021.09 and 53,854.90
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Solution
The fourth proportional to 75,998.68, 114,021.09 and 53,854.90 is: 80,798.70
Step by Step Solution
- Step 1: Write the proportion equation
75,998.68 : 114,021.09 = 53,854.90 : x - Step 2: Convert to fraction form
75,998.68/114,021.09 = 53,854.90/x - Step 3: Cross multiply
75,998.68x = 114,021.09 × 53,854.90 - Step 4: Simplify right side
75,998.68x = 6,140,594,399.84 - Step 5: Solve for x
x = 6,140,594,399.84/75,998.68 - Step 6: Final answer
x = 80,798.70
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1.5x scale
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.