Finding the Fourth Proportional to 127,953.96, 176,576.70 and 71,368.98
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Solution
The fourth proportional to 127,953.96, 176,576.70 and 71,368.98 is: 98,489.32
Step by Step Solution
- Step 1: Write the proportion equation
127,953.96 : 176,576.70 = 71,368.98 : x - Step 2: Convert to fraction form
127,953.96/176,576.70 = 71,368.98/x - Step 3: Cross multiply
127,953.96x = 176,576.70 × 71,368.98 - Step 4: Simplify right side
127,953.96x = 12,602,098,970.77 - Step 5: Solve for x
x = 12,602,098,970.77/127,953.96 - Step 6: Final answer
x = 98,489.32
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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.