Finding the Fourth Proportional to 75,723.94, 113,587.77 and 36,237.70
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Solution
The fourth proportional to 75,723.94, 113,587.77 and 36,237.70 is: 54,357.44
Step by Step Solution
- Step 1: Write the proportion equation
75,723.94 : 113,587.77 = 36,237.70 : x - Step 2: Convert to fraction form
75,723.94/113,587.77 = 36,237.70/x - Step 3: Cross multiply
75,723.94x = 113,587.77 × 36,237.70 - Step 4: Simplify right side
75,723.94x = 4,116,159,532.93 - Step 5: Solve for x
x = 4,116,159,532.93/75,723.94 - Step 6: Final answer
x = 54,357.44
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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.