Finding the Fourth Proportional to 83,045.24, 124,655.54 and 38,714.75
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Solution
The fourth proportional to 83,045.24, 124,655.54 and 38,714.75 is: 58,112.99
Step by Step Solution
- Step 1: Write the proportion equation
83,045.24 : 124,655.54 = 38,714.75 : x - Step 2: Convert to fraction form
83,045.24/124,655.54 = 38,714.75/x - Step 3: Cross multiply
83,045.24x = 124,655.54 × 38,714.75 - Step 4: Simplify right side
83,045.24x = 4,826,007,250.36 - Step 5: Solve for x
x = 4,826,007,250.36/83,045.24 - Step 6: Final answer
x = 58,112.99
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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.