Finding the Fourth Proportional to 94,078.48, 129,829.98 and 51,640.96
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Solution
The fourth proportional to 94,078.48, 129,829.98 and 51,640.96 is: 71,265.45
Step by Step Solution
- Step 1: Write the proportion equation
94,078.48 : 129,829.98 = 51,640.96 : x - Step 2: Convert to fraction form
94,078.48/129,829.98 = 51,640.96/x - Step 3: Cross multiply
94,078.48x = 129,829.98 × 51,640.96 - Step 4: Simplify right side
94,078.48x = 6,704,544,803.98 - Step 5: Solve for x
x = 6,704,544,803.98/94,078.48 - Step 6: Final answer
x = 71,265.45
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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.