Finding the Fourth Proportional to 127,995.18, 176,632.11 and 70,635.03
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Solution
The fourth proportional to 127,995.18, 176,632.11 and 70,635.03 is: 97,475.66
Step by Step Solution
- Step 1: Write the proportion equation
127,995.18 : 176,632.11 = 70,635.03 : x - Step 2: Convert to fraction form
127,995.18/176,632.11 = 70,635.03/x - Step 3: Cross multiply
127,995.18x = 176,632.11 × 70,635.03 - Step 4: Simplify right side
127,995.18x = 12,476,413,726.44 - Step 5: Solve for x
x = 12,476,413,726.44/127,995.18 - Step 6: Final answer
x = 97,475.66
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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.