Finding the Fourth Proportional to 94,857.05, 130,903.06 and 51,836.53
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Solution
The fourth proportional to 94,857.05, 130,903.06 and 51,836.53 is: 71,534.59
Step by Step Solution
- Step 1: Write the proportion equation
94,857.05 : 130,903.06 = 51,836.53 : x - Step 2: Convert to fraction form
94,857.05/130,903.06 = 51,836.53/x - Step 3: Cross multiply
94,857.05x = 130,903.06 × 51,836.53 - Step 4: Simplify right side
94,857.05x = 6,785,560,396.78 - Step 5: Solve for x
x = 6,785,560,396.78/94,857.05 - Step 6: Final answer
x = 71,534.59
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1.5x scale
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.