Finding the Fourth Proportional to 75,406.08, 104,014.40 and 54,214.08
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Solution
The fourth proportional to 75,406.08, 104,014.40 and 54,214.08 is: 74,782.37
Step by Step Solution
- Step 1: Write the proportion equation
75,406.08 : 104,014.40 = 54,214.08 : x - Step 2: Convert to fraction form
75,406.08/104,014.40 = 54,214.08/x - Step 3: Cross multiply
75,406.08x = 104,014.40 × 54,214.08 - Step 4: Simplify right side
75,406.08x = 5,639,045,002.75 - Step 5: Solve for x
x = 5,639,045,002.75/75,406.08 - Step 6: Final answer
x = 74,782.37
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.