Finding the Fourth Proportional to 127,953.47, 176,575.80 and 71,364.84
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Solution
The fourth proportional to 127,953.47, 176,575.80 and 71,364.84 is: 98,483.49
Step by Step Solution
- Step 1: Write the proportion equation
127,953.47 : 176,575.80 = 71,364.84 : x - Step 2: Convert to fraction form
127,953.47/176,575.80 = 71,364.84/x - Step 3: Cross multiply
127,953.47x = 176,575.80 × 71,364.84 - Step 4: Simplify right side
127,953.47x = 12,601,303,714.87 - Step 5: Solve for x
x = 12,601,303,714.87/127,953.47 - Step 6: Final answer
x = 98,483.49
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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.