Finding the Fourth Proportional to 93,115.68, 128,502.36 and 50,676.96
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Solution
The fourth proportional to 93,115.68, 128,502.36 and 50,676.96 is: 69,935.69
Step by Step Solution
- Step 1: Write the proportion equation
93,115.68 : 128,502.36 = 50,676.96 : x - Step 2: Convert to fraction form
93,115.68/128,502.36 = 50,676.96/x - Step 3: Cross multiply
93,115.68x = 128,502.36 × 50,676.96 - Step 4: Simplify right side
93,115.68x = 6,512,108,957.63 - Step 5: Solve for x
x = 6,512,108,957.63/93,115.68 - Step 6: Final answer
x = 69,935.69
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1.5x scale
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.