Finding the Fourth Proportional to 93,855.11, 129,532.37 and 53,559.63
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Solution
The fourth proportional to 93,855.11, 129,532.37 and 53,559.63 is: 73,919.32
Step by Step Solution
- Step 1: Write the proportion equation
93,855.11 : 129,532.37 = 53,559.63 : x - Step 2: Convert to fraction form
93,855.11/129,532.37 = 53,559.63/x - Step 3: Cross multiply
93,855.11x = 129,532.37 × 53,559.63 - Step 4: Simplify right side
93,855.11x = 6,937,705,542.42 - Step 5: Solve for x
x = 6,937,705,542.42/93,855.11 - Step 6: Final answer
x = 73,919.32
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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.