Finding the Fourth Proportional to 84,982.23, 127,490.36 and 47,595.47
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Solution
The fourth proportional to 84,982.23, 127,490.36 and 47,595.47 is: 71,402.72
Step by Step Solution
- Step 1: Write the proportion equation
84,982.23 : 127,490.36 = 47,595.47 : x - Step 2: Convert to fraction form
84,982.23/127,490.36 = 47,595.47/x - Step 3: Cross multiply
84,982.23x = 127,490.36 × 47,595.47 - Step 4: Simplify right side
84,982.23x = 6,067,962,729.24 - Step 5: Solve for x
x = 6,067,962,729.24/84,982.23 - Step 6: Final answer
x = 71,402.72
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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.