Finding the Fourth Proportional to 83,219.67, 124,829.55 and 27,815.67
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Solution
The fourth proportional to 83,219.67, 124,829.55 and 27,815.67 is: 41,723.52
Step by Step Solution
- Step 1: Write the proportion equation
83,219.67 : 124,829.55 = 27,815.67 : x - Step 2: Convert to fraction form
83,219.67/124,829.55 = 27,815.67/x - Step 3: Cross multiply
83,219.67x = 124,829.55 × 27,815.67 - Step 4: Simplify right side
83,219.67x = 3,472,217,569.05 - Step 5: Solve for x
x = 3,472,217,569.05/83,219.67 - Step 6: Final answer
x = 41,723.52
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Similar ratio
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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.