Finding the Fourth Proportional to 68,855.20, 103,252.08 and 19,595.68
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Solution
The fourth proportional to 68,855.20, 103,252.08 and 19,595.68 is: 29,384.78
Step by Step Solution
- Step 1: Write the proportion equation
68,855.20 : 103,252.08 = 19,595.68 : x - Step 2: Convert to fraction form
68,855.20/103,252.08 = 19,595.68/x - Step 3: Cross multiply
68,855.20x = 103,252.08 × 19,595.68 - Step 4: Simplify right side
68,855.20x = 2,023,294,719.01 - Step 5: Solve for x
x = 2,023,294,719.01/68,855.20 - Step 6: Final answer
x = 29,384.78
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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.