Finding the Fourth Proportional to 89,133.29, 122,983.98 and 50,880.62
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Solution
The fourth proportional to 89,133.29, 122,983.98 and 50,880.62 is: 70,203.86
Step by Step Solution
- Step 1: Write the proportion equation
89,133.29 : 122,983.98 = 50,880.62 : x - Step 2: Convert to fraction form
89,133.29/122,983.98 = 50,880.62/x - Step 3: Cross multiply
89,133.29x = 122,983.98 × 50,880.62 - Step 4: Simplify right side
89,133.29x = 6,257,501,152.47 - Step 5: Solve for x
x = 6,257,501,152.47/89,133.29 - Step 6: Final answer
x = 70,203.86
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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.