Finding the Fourth Proportional to 75,529.52, 104,228.68 and 41,538.02
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Solution
The fourth proportional to 75,529.52, 104,228.68 and 41,538.02 is: 57,321.34
Step by Step Solution
- Step 1: Write the proportion equation
75,529.52 : 104,228.68 = 41,538.02 : x - Step 2: Convert to fraction form
75,529.52/104,228.68 = 41,538.02/x - Step 3: Cross multiply
75,529.52x = 104,228.68 × 41,538.02 - Step 4: Simplify right side
75,529.52x = 4,329,452,994.41 - Step 5: Solve for x
x = 4,329,452,994.41/75,529.52 - Step 6: Final answer
x = 57,321.34
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1.5x scale
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.