Finding the Fourth Proportional to 76,574.21, 105,656.92 and 44,736.95
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Solution
The fourth proportional to 76,574.21, 105,656.92 and 44,736.95 is: 61,727.95
Step by Step Solution
- Step 1: Write the proportion equation
76,574.21 : 105,656.92 = 44,736.95 : x - Step 2: Convert to fraction form
76,574.21/105,656.92 = 44,736.95/x - Step 3: Cross multiply
76,574.21x = 105,656.92 × 44,736.95 - Step 4: Simplify right side
76,574.21x = 4,726,768,499.49 - Step 5: Solve for x
x = 4,726,768,499.49/76,574.21 - Step 6: Final answer
x = 61,727.95
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.