Finding the Fourth Proportional to 76,873.51, 106,080.87 and 44,605.63
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Solution
The fourth proportional to 76,873.51, 106,080.87 and 44,605.63 is: 61,553.12
Step by Step Solution
- Step 1: Write the proportion equation
76,873.51 : 106,080.87 = 44,605.63 : x - Step 2: Convert to fraction form
76,873.51/106,080.87 = 44,605.63/x - Step 3: Cross multiply
76,873.51x = 106,080.87 × 44,605.63 - Step 4: Simplify right side
76,873.51x = 4,731,804,037.30 - Step 5: Solve for x
x = 4,731,804,037.30/76,873.51 - Step 6: Final answer
x = 61,553.12
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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.