Finding the Fourth Proportional to 103,853.79, 155,780.61 and 24,967.99
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Solution
The fourth proportional to 103,853.79, 155,780.61 and 24,967.99 is: 37,451.97
Step by Step Solution
- Step 1: Write the proportion equation
103,853.79 : 155,780.61 = 24,967.99 : x - Step 2: Convert to fraction form
103,853.79/155,780.61 = 24,967.99/x - Step 3: Cross multiply
103,853.79x = 155,780.61 × 24,967.99 - Step 4: Simplify right side
103,853.79x = 3,889,528,712.67 - Step 5: Solve for x
x = 3,889,528,712.67/103,853.79 - Step 6: Final answer
x = 37,451.97
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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.