Finding the Fourth Proportional to 99,177.76, 136,858.80 and 58,889.44
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Solution
The fourth proportional to 99,177.76, 136,858.80 and 58,889.44 is: 81,263.56
Step by Step Solution
- Step 1: Write the proportion equation
99,177.76 : 136,858.80 = 58,889.44 : x - Step 2: Convert to fraction form
99,177.76/136,858.80 = 58,889.44/x - Step 3: Cross multiply
99,177.76x = 136,858.80 × 58,889.44 - Step 4: Simplify right side
99,177.76x = 8,059,538,091.07 - Step 5: Solve for x
x = 8,059,538,091.07/99,177.76 - Step 6: Final answer
x = 81,263.56
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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.