Finding the Fourth Proportional to 83,262.48, 124,912.15 and 38,864.99
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Solution
The fourth proportional to 83,262.48, 124,912.15 and 38,864.99 is: 58,306.08
Step by Step Solution
- Step 1: Write the proportion equation
83,262.48 : 124,912.15 = 38,864.99 : x - Step 2: Convert to fraction form
83,262.48/124,912.15 = 38,864.99/x - Step 3: Cross multiply
83,262.48x = 124,912.15 × 38,864.99 - Step 4: Simplify right side
83,262.48x = 4,854,708,738.91 - Step 5: Solve for x
x = 4,854,708,738.91/83,262.48 - Step 6: Final answer
x = 58,306.08
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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.