Finding the Fourth Proportional to 95,688.36, 143,477.84 and 29,108.80
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Solution
The fourth proportional to 95,688.36, 143,477.84 and 29,108.80 is: 43,646.56
Step by Step Solution
- Step 1: Write the proportion equation
95,688.36 : 143,477.84 = 29,108.80 : x - Step 2: Convert to fraction form
95,688.36/143,477.84 = 29,108.80/x - Step 3: Cross multiply
95,688.36x = 143,477.84 × 29,108.80 - Step 4: Simplify right side
95,688.36x = 4,176,467,748.99 - Step 5: Solve for x
x = 4,176,467,748.99/95,688.36 - Step 6: Final answer
x = 43,646.56
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.