Finding the Fourth Proportional to 83,418.14, 124,813.28 and 58,506.80
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Solution
The fourth proportional to 83,418.14, 124,813.28 and 58,506.80 is: 87,540.02
Step by Step Solution
- Step 1: Write the proportion equation
83,418.14 : 124,813.28 = 58,506.80 : x - Step 2: Convert to fraction form
83,418.14/124,813.28 = 58,506.80/x - Step 3: Cross multiply
83,418.14x = 124,813.28 × 58,506.80 - Step 4: Simplify right side
83,418.14x = 7,302,425,610.30 - Step 5: Solve for x
x = 7,302,425,610.30/83,418.14 - Step 6: Final answer
x = 87,540.02
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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.