Finding the Fourth Proportional to 126,848.56, 175,048.79 and 69,489.02
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Solution
The fourth proportional to 126,848.56, 175,048.79 and 69,489.02 is: 95,893.63
Step by Step Solution
- Step 1: Write the proportion equation
126,848.56 : 175,048.79 = 69,489.02 : x - Step 2: Convert to fraction form
126,848.56/175,048.79 = 69,489.02/x - Step 3: Cross multiply
126,848.56x = 175,048.79 × 69,489.02 - Step 4: Simplify right side
126,848.56x = 12,163,968,869.29 - Step 5: Solve for x
x = 12,163,968,869.29/126,848.56 - Step 6: Final answer
x = 95,893.63
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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.