Finding the Fourth Proportional to 70,822.81, 106,245.15 and 24,064.75
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Solution
The fourth proportional to 70,822.81, 106,245.15 and 24,064.75 is: 36,100.84
Step by Step Solution
- Step 1: Write the proportion equation
70,822.81 : 106,245.15 = 24,064.75 : x - Step 2: Convert to fraction form
70,822.81/106,245.15 = 24,064.75/x - Step 3: Cross multiply
70,822.81x = 106,245.15 × 24,064.75 - Step 4: Simplify right side
70,822.81x = 2,556,762,973.46 - Step 5: Solve for x
x = 2,556,762,973.46/70,822.81 - Step 6: Final answer
x = 36,100.84
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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.