Finding the Fourth Proportional to 127,076.64, 175,357.44 and 70,486.08
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Solution
The fourth proportional to 127,076.64, 175,357.44 and 70,486.08 is: 97,266.17
Step by Step Solution
- Step 1: Write the proportion equation
127,076.64 : 175,357.44 = 70,486.08 : x - Step 2: Convert to fraction form
127,076.64/175,357.44 = 70,486.08/x - Step 3: Cross multiply
127,076.64x = 175,357.44 × 70,486.08 - Step 4: Simplify right side
127,076.64x = 12,360,258,544.44 - Step 5: Solve for x
x = 12,360,258,544.44/127,076.64 - Step 6: Final answer
x = 97,266.17
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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.