Finding the Fourth Proportional to 70,775.06, 106,163.40 and 24,031.58
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Solution
The fourth proportional to 70,775.06, 106,163.40 and 24,031.58 is: 36,047.65
Step by Step Solution
- Step 1: Write the proportion equation
70,775.06 : 106,163.40 = 24,031.58 : x - Step 2: Convert to fraction form
70,775.06/106,163.40 = 24,031.58/x - Step 3: Cross multiply
70,775.06x = 106,163.40 × 24,031.58 - Step 4: Simplify right side
70,775.06x = 2,551,274,240.17 - Step 5: Solve for x
x = 2,551,274,240.17/70,775.06 - Step 6: Final answer
x = 36,047.65
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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.