Finding the Fourth Proportional to 76,491.68, 105,542.26 and 44,646.21
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Solution
The fourth proportional to 76,491.68, 105,542.26 and 44,646.21 is: 61,602.28
Step by Step Solution
- Step 1: Write the proportion equation
76,491.68 : 105,542.26 = 44,646.21 : x - Step 2: Convert to fraction form
76,491.68/105,542.26 = 44,646.21/x - Step 3: Cross multiply
76,491.68x = 105,542.26 × 44,646.21 - Step 4: Simplify right side
76,491.68x = 4,712,061,792.22 - Step 5: Solve for x
x = 4,712,061,792.22/76,491.68 - Step 6: Final answer
x = 61,602.28
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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.