Finding the Fourth Proportional to 93,379.96, 128,823.24 and 63,154.09
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Solution
The fourth proportional to 93,379.96, 128,823.24 and 63,154.09 is: 87,124.84
Step by Step Solution
- Step 1: Write the proportion equation
93,379.96 : 128,823.24 = 63,154.09 : x - Step 2: Convert to fraction form
93,379.96/128,823.24 = 63,154.09/x - Step 3: Cross multiply
93,379.96x = 128,823.24 × 63,154.09 - Step 4: Simplify right side
93,379.96x = 8,135,714,493.05 - Step 5: Solve for x
x = 8,135,714,493.05/93,379.96 - Step 6: Final answer
x = 87,124.84
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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.