Finding the Fourth Proportional to 88,010.64, 121,461.12 and 50,284.08
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Solution
The fourth proportional to 88,010.64, 121,461.12 and 50,284.08 is: 69,395.71
Step by Step Solution
- Step 1: Write the proportion equation
88,010.64 : 121,461.12 = 50,284.08 : x - Step 2: Convert to fraction form
88,010.64/121,461.12 = 50,284.08/x - Step 3: Cross multiply
88,010.64x = 121,461.12 × 50,284.08 - Step 4: Simplify right side
88,010.64x = 6,107,560,674.97 - Step 5: Solve for x
x = 6,107,560,674.97/88,010.64 - Step 6: Final answer
x = 69,395.71
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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.