Finding the Fourth Proportional to 74,844.54, 112,207.68 and 37,384.02
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Solution
The fourth proportional to 74,844.54, 112,207.68 and 37,384.02 is: 56,046.50
Step by Step Solution
- Step 1: Write the proportion equation
74,844.54 : 112,207.68 = 37,384.02 : x - Step 2: Convert to fraction form
74,844.54/112,207.68 = 37,384.02/x - Step 3: Cross multiply
74,844.54x = 112,207.68 × 37,384.02 - Step 4: Simplify right side
74,844.54x = 4,194,774,153.27 - Step 5: Solve for x
x = 4,194,774,153.27/74,844.54 - Step 6: Final answer
x = 56,046.50
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.