Finding the Fourth Proportional to 83,187.07, 124,790.91 and 32,579.53
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Solution
The fourth proportional to 83,187.07, 124,790.91 and 32,579.53 is: 48,873.33
Step by Step Solution
- Step 1: Write the proportion equation
83,187.07 : 124,790.91 = 32,579.53 : x - Step 2: Convert to fraction form
83,187.07/124,790.91 = 32,579.53/x - Step 3: Cross multiply
83,187.07x = 124,790.91 × 32,579.53 - Step 4: Simplify right side
83,187.07x = 4,065,629,196.07 - Step 5: Solve for x
x = 4,065,629,196.07/83,187.07 - Step 6: Final answer
x = 48,873.33
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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.