Finding the Fourth Proportional to 68,609.13, 102,807.41 and 47,590.03
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Solution
The fourth proportional to 68,609.13, 102,807.41 and 47,590.03 is: 71,311.32
Step by Step Solution
- Step 1: Write the proportion equation
68,609.13 : 102,807.41 = 47,590.03 : x - Step 2: Convert to fraction form
68,609.13/102,807.41 = 47,590.03/x - Step 3: Cross multiply
68,609.13x = 102,807.41 × 47,590.03 - Step 4: Simplify right side
68,609.13x = 4,892,607,726.12 - Step 5: Solve for x
x = 4,892,607,726.12/68,609.13 - Step 6: Final answer
x = 71,311.32
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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.