Finding the Fourth Proportional to 75,014.70, 112,392.45 and 63,350.70
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Solution
The fourth proportional to 75,014.70, 112,392.45 and 63,350.70 is: 94,916.60
Step by Step Solution
- Step 1: Write the proportion equation
75,014.70 : 112,392.45 = 63,350.70 : x - Step 2: Convert to fraction form
75,014.70/112,392.45 = 63,350.70/x - Step 3: Cross multiply
75,014.70x = 112,392.45 × 63,350.70 - Step 4: Simplify right side
75,014.70x = 7,120,140,382.22 - Step 5: Solve for x
x = 7,120,140,382.22/75,014.70 - Step 6: Final answer
x = 94,916.60
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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.