Finding the Fourth Proportional to 88,394.56, 121,982.14 and 48,107.45
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Solution
The fourth proportional to 88,394.56, 121,982.14 and 48,107.45 is: 66,387.00
Step by Step Solution
- Step 1: Write the proportion equation
88,394.56 : 121,982.14 = 48,107.45 : x - Step 2: Convert to fraction form
88,394.56/121,982.14 = 48,107.45/x - Step 3: Cross multiply
88,394.56x = 121,982.14 × 48,107.45 - Step 4: Simplify right side
88,394.56x = 5,868,249,700.94 - Step 5: Solve for x
x = 5,868,249,700.94/88,394.56 - Step 6: Final answer
x = 66,387.00
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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.