Finding the Fourth Proportional to 74,031.36, 102,164.12 and 44,951.28
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Solution
The fourth proportional to 74,031.36, 102,164.12 and 44,951.28 is: 62,033.28
Step by Step Solution
- Step 1: Write the proportion equation
74,031.36 : 102,164.12 = 44,951.28 : x - Step 2: Convert to fraction form
74,031.36/102,164.12 = 44,951.28/x - Step 3: Cross multiply
74,031.36x = 102,164.12 × 44,951.28 - Step 4: Simplify right side
74,031.36x = 4,592,407,964.07 - Step 5: Solve for x
x = 4,592,407,964.07/74,031.36 - Step 6: Final answer
x = 62,033.28
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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.