Finding the Fourth Proportional to 70,503.81, 105,754.32 and 17,195.99
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Solution
The fourth proportional to 70,503.81, 105,754.32 and 17,195.99 is: 25,793.64
Step by Step Solution
- Step 1: Write the proportion equation
70,503.81 : 105,754.32 = 17,195.99 : x - Step 2: Convert to fraction form
70,503.81/105,754.32 = 17,195.99/x - Step 3: Cross multiply
70,503.81x = 105,754.32 × 17,195.99 - Step 4: Simplify right side
70,503.81x = 1,818,549,700.41 - Step 5: Solve for x
x = 1,818,549,700.41/70,503.81 - Step 6: Final answer
x = 25,793.64
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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.