Finding the Fourth Proportional to 126,885.79, 175,102.46 and 69,528.68
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Solution
The fourth proportional to 126,885.79, 175,102.46 and 69,528.68 is: 95,949.61
Step by Step Solution
- Step 1: Write the proportion equation
126,885.79 : 175,102.46 = 69,528.68 : x - Step 2: Convert to fraction form
126,885.79/175,102.46 = 69,528.68/x - Step 3: Cross multiply
126,885.79x = 175,102.46 × 69,528.68 - Step 4: Simplify right side
126,885.79x = 12,174,642,602.76 - Step 5: Solve for x
x = 12,174,642,602.76/126,885.79 - Step 6: Final answer
x = 95,949.61
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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.