Finding the Fourth Proportional to 68,441.01, 102,518.36 and 55,041.65
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Solution
The fourth proportional to 68,441.01, 102,518.36 and 55,041.65 is: 82,447.35
Step by Step Solution
- Step 1: Write the proportion equation
68,441.01 : 102,518.36 = 55,041.65 : x - Step 2: Convert to fraction form
68,441.01/102,518.36 = 55,041.65/x - Step 3: Cross multiply
68,441.01x = 102,518.36 × 55,041.65 - Step 4: Simplify right side
68,441.01x = 5,642,779,177.10 - Step 5: Solve for x
x = 5,642,779,177.10/68,441.01 - Step 6: Final answer
x = 82,447.35
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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.