Finding the Fourth Proportional to 83,950.21, 125,895.07 and 27,779.95
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Solution
The fourth proportional to 83,950.21, 125,895.07 and 27,779.95 is: 41,659.91
Step by Step Solution
- Step 1: Write the proportion equation
83,950.21 : 125,895.07 = 27,779.95 : x - Step 2: Convert to fraction form
83,950.21/125,895.07 = 27,779.95/x - Step 3: Cross multiply
83,950.21x = 125,895.07 × 27,779.95 - Step 4: Simplify right side
83,950.21x = 3,497,358,610.95 - Step 5: Solve for x
x = 3,497,358,610.95/83,950.21 - Step 6: Final answer
x = 41,659.91
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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.