Finding the Fourth Proportional to 75,240.99, 103,833.72 and 45,027.63
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Solution
The fourth proportional to 75,240.99, 103,833.72 and 45,027.63 is: 62,138.82
Step by Step Solution
- Step 1: Write the proportion equation
75,240.99 : 103,833.72 = 45,027.63 : x - Step 2: Convert to fraction form
75,240.99/103,833.72 = 45,027.63/x - Step 3: Cross multiply
75,240.99x = 103,833.72 × 45,027.63 - Step 4: Simplify right side
75,240.99x = 4,675,386,325.68 - Step 5: Solve for x
x = 4,675,386,325.68/75,240.99 - Step 6: Final answer
x = 62,138.82
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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.