Finding the Fourth Proportional to 88,887.76, 133,380.84 and 53,261.56
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Solution
The fourth proportional to 88,887.76, 133,380.84 and 53,261.56 is: 79,921.82
Step by Step Solution
- Step 1: Write the proportion equation
88,887.76 : 133,380.84 = 53,261.56 : x - Step 2: Convert to fraction form
88,887.76/133,380.84 = 53,261.56/x - Step 3: Cross multiply
88,887.76x = 133,380.84 × 53,261.56 - Step 4: Simplify right side
88,887.76x = 7,104,071,612.51 - Step 5: Solve for x
x = 7,104,071,612.51/88,887.76 - Step 6: Final answer
x = 79,921.82
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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.