Finding the Fourth Proportional to 127,602.70, 176,090.01 and 71,014.06
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Solution
The fourth proportional to 127,602.70, 176,090.01 and 71,014.06 is: 97,998.45
Step by Step Solution
- Step 1: Write the proportion equation
127,602.70 : 176,090.01 = 71,014.06 : x - Step 2: Convert to fraction form
127,602.70/176,090.01 = 71,014.06/x - Step 3: Cross multiply
127,602.70x = 176,090.01 × 71,014.06 - Step 4: Simplify right side
127,602.70x = 12,504,866,535.54 - Step 5: Solve for x
x = 12,504,866,535.54/127,602.70 - Step 6: Final answer
x = 97,998.45
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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.