Finding the Fourth Proportional to 82,726.06, 124,046.16 and 40,587.70
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Solution
The fourth proportional to 82,726.06, 124,046.16 and 40,587.70 is: 60,860.49
Step by Step Solution
- Step 1: Write the proportion equation
82,726.06 : 124,046.16 = 40,587.70 : x - Step 2: Convert to fraction form
82,726.06/124,046.16 = 40,587.70/x - Step 3: Cross multiply
82,726.06x = 124,046.16 × 40,587.70 - Step 4: Simplify right side
82,726.06x = 5,034,748,328.23 - Step 5: Solve for x
x = 5,034,748,328.23/82,726.06 - Step 6: Final answer
x = 60,860.49
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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.