Finding the Fourth Proportional to 94,160.57, 129,943.82 and 51,719.99
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Solution
The fourth proportional to 94,160.57, 129,943.82 and 51,719.99 is: 71,374.81
Step by Step Solution
- Step 1: Write the proportion equation
94,160.57 : 129,943.82 = 51,719.99 : x - Step 2: Convert to fraction form
94,160.57/129,943.82 = 51,719.99/x - Step 3: Cross multiply
94,160.57x = 129,943.82 × 51,719.99 - Step 4: Simplify right side
94,160.57x = 6,720,692,550.54 - Step 5: Solve for x
x = 6,720,692,550.54/94,160.57 - Step 6: Final answer
x = 71,374.81
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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.