Finding the Fourth Proportional to 88,386.40, 132,513.33 and 53,317.84
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Solution
The fourth proportional to 88,386.40, 132,513.33 and 53,317.84 is: 79,936.78
Step by Step Solution
- Step 1: Write the proportion equation
88,386.40 : 132,513.33 = 53,317.84 : x - Step 2: Convert to fraction form
88,386.40/132,513.33 = 53,317.84/x - Step 3: Cross multiply
88,386.40x = 132,513.33 × 53,317.84 - Step 4: Simplify right side
88,386.40x = 7,065,324,526.81 - Step 5: Solve for x
x = 7,065,324,526.81/88,386.40 - Step 6: Final answer
x = 79,936.78
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.