Finding the Fourth Proportional to 74,934.18, 112,386.02 and 27,532.98
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Solution
The fourth proportional to 74,934.18, 112,386.02 and 27,532.98 is: 41,293.86
Step by Step Solution
- Step 1: Write the proportion equation
74,934.18 : 112,386.02 = 27,532.98 : x - Step 2: Convert to fraction form
74,934.18/112,386.02 = 27,532.98/x - Step 3: Cross multiply
74,934.18x = 112,386.02 × 27,532.98 - Step 4: Simplify right side
74,934.18x = 3,094,321,903.27 - Step 5: Solve for x
x = 3,094,321,903.27/74,934.18 - Step 6: Final answer
x = 41,293.86
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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.