Finding the Fourth Proportional to 95,363.21, 131,587.79 and 57,113.80
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Solution
The fourth proportional to 95,363.21, 131,587.79 and 57,113.80 is: 78,808.99
Step by Step Solution
- Step 1: Write the proportion equation
95,363.21 : 131,587.79 = 57,113.80 : x - Step 2: Convert to fraction form
95,363.21/131,587.79 = 57,113.80/x - Step 3: Cross multiply
95,363.21x = 131,587.79 × 57,113.80 - Step 4: Simplify right side
95,363.21x = 7,515,478,720.50 - Step 5: Solve for x
x = 7,515,478,720.50/95,363.21 - Step 6: Final answer
x = 78,808.99
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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.