Finding the Fourth Proportional to 79,866.08, 110,250.61 and 51,585.56
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Solution
The fourth proportional to 79,866.08, 110,250.61 and 51,585.56 is: 71,210.95
Step by Step Solution
- Step 1: Write the proportion equation
79,866.08 : 110,250.61 = 51,585.56 : x - Step 2: Convert to fraction form
79,866.08/110,250.61 = 51,585.56/x - Step 3: Cross multiply
79,866.08x = 110,250.61 × 51,585.56 - Step 4: Simplify right side
79,866.08x = 5,687,339,457.19 - Step 5: Solve for x
x = 5,687,339,457.19/79,866.08 - Step 6: Final answer
x = 71,210.95
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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.