Finding the Fourth Proportional to 70,758.24, 106,154.64 and 29,217.12
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Solution
The fourth proportional to 70,758.24, 106,154.64 and 29,217.12 is: 43,832.82
Step by Step Solution
- Step 1: Write the proportion equation
70,758.24 : 106,154.64 = 29,217.12 : x - Step 2: Convert to fraction form
70,758.24/106,154.64 = 29,217.12/x - Step 3: Cross multiply
70,758.24x = 106,154.64 × 29,217.12 - Step 4: Simplify right side
70,758.24x = 3,101,532,855.44 - Step 5: Solve for x
x = 3,101,532,855.44/70,758.24 - Step 6: Final answer
x = 43,832.82
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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.