Finding the Fourth Proportional to 100,012.02, 149,929.74 and 37,726.26
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Solution
The fourth proportional to 100,012.02, 149,929.74 and 37,726.26 is: 56,556.09
Step by Step Solution
- Step 1: Write the proportion equation
100,012.02 : 149,929.74 = 37,726.26 : x - Step 2: Convert to fraction form
100,012.02/149,929.74 = 37,726.26/x - Step 3: Cross multiply
100,012.02x = 149,929.74 × 37,726.26 - Step 4: Simplify right side
100,012.02x = 5,656,288,352.97 - Step 5: Solve for x
x = 5,656,288,352.97/100,012.02 - Step 6: Final answer
x = 56,556.09
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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.