Finding the Fourth Proportional to 67,758.08, 101,424.02 and 46,574.24
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Solution
The fourth proportional to 67,758.08, 101,424.02 and 46,574.24 is: 69,714.88
Step by Step Solution
- Step 1: Write the proportion equation
67,758.08 : 101,424.02 = 46,574.24 : x - Step 2: Convert to fraction form
67,758.08/101,424.02 = 46,574.24/x - Step 3: Cross multiply
67,758.08x = 101,424.02 × 46,574.24 - Step 4: Simplify right side
67,758.08x = 4,723,745,909.25 - Step 5: Solve for x
x = 4,723,745,909.25/67,758.08 - Step 6: Final answer
x = 69,714.88
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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.