Finding the Fourth Proportional to 83,134.85, 124,743.99 and 38,765.08
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Solution
The fourth proportional to 83,134.85, 124,743.99 and 38,765.08 is: 58,167.06
Step by Step Solution
- Step 1: Write the proportion equation
83,134.85 : 124,743.99 = 38,765.08 : x - Step 2: Convert to fraction form
83,134.85/124,743.99 = 38,765.08/x - Step 3: Cross multiply
83,134.85x = 124,743.99 × 38,765.08 - Step 4: Simplify right side
83,134.85x = 4,835,710,128.15 - Step 5: Solve for x
x = 4,835,710,128.15/83,134.85 - Step 6: Final answer
x = 58,167.06
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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.