Finding the Fourth Proportional to 84,841.20, 127,320.06 and 29,437.20
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Solution
The fourth proportional to 84,841.20, 127,320.06 and 29,437.20 is: 44,176.01
Step by Step Solution
- Step 1: Write the proportion equation
84,841.20 : 127,320.06 = 29,437.20 : x - Step 2: Convert to fraction form
84,841.20/127,320.06 = 29,437.20/x - Step 3: Cross multiply
84,841.20x = 127,320.06 × 29,437.20 - Step 4: Simplify right side
84,841.20x = 3,747,946,070.23 - Step 5: Solve for x
x = 3,747,946,070.23/84,841.20 - Step 6: Final answer
x = 44,176.01
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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.