Finding the Fourth Proportional to 84,006.20, 125,750.10 and 48,841.40
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Solution
The fourth proportional to 84,006.20, 125,750.10 and 48,841.40 is: 73,111.40
Step by Step Solution
- Step 1: Write the proportion equation
84,006.20 : 125,750.10 = 48,841.40 : x - Step 2: Convert to fraction form
84,006.20/125,750.10 = 48,841.40/x - Step 3: Cross multiply
84,006.20x = 125,750.10 × 48,841.40 - Step 4: Simplify right side
84,006.20x = 6,141,810,934.14 - Step 5: Solve for x
x = 6,141,810,934.14/84,006.20 - Step 6: Final answer
x = 73,111.40
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1.5x scale
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.