Finding the Fourth Proportional to 75,204.18, 112,762.53 and 28,460.70
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Solution
The fourth proportional to 75,204.18, 112,762.53 and 28,460.70 is: 42,674.50
Step by Step Solution
- Step 1: Write the proportion equation
75,204.18 : 112,762.53 = 28,460.70 : x - Step 2: Convert to fraction form
75,204.18/112,762.53 = 28,460.70/x - Step 3: Cross multiply
75,204.18x = 112,762.53 × 28,460.70 - Step 4: Simplify right side
75,204.18x = 3,209,300,537.57 - Step 5: Solve for x
x = 3,209,300,537.57/75,204.18 - Step 6: Final answer
x = 42,674.50
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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.