Finding the Fourth Proportional to 93,313.22, 128,772.99 and 50,872.05
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Solution
The fourth proportional to 93,313.22, 128,772.99 and 50,872.05 is: 70,203.84
Step by Step Solution
- Step 1: Write the proportion equation
93,313.22 : 128,772.99 = 50,872.05 : x - Step 2: Convert to fraction form
93,313.22/128,772.99 = 50,872.05/x - Step 3: Cross multiply
93,313.22x = 128,772.99 × 50,872.05 - Step 4: Simplify right side
93,313.22x = 6,550,945,985.93 - Step 5: Solve for x
x = 6,550,945,985.93/93,313.22 - Step 6: Final answer
x = 70,203.84
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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.