Finding the Fourth Proportional to 87,616.08, 120,955.68 and 53,673.84
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Solution
The fourth proportional to 87,616.08, 120,955.68 and 53,673.84 is: 74,097.77
Step by Step Solution
- Step 1: Write the proportion equation
87,616.08 : 120,955.68 = 53,673.84 : x - Step 2: Convert to fraction form
87,616.08/120,955.68 = 53,673.84/x - Step 3: Cross multiply
87,616.08x = 120,955.68 × 53,673.84 - Step 4: Simplify right side
87,616.08x = 6,492,155,815.41 - Step 5: Solve for x
x = 6,492,155,815.41/87,616.08 - Step 6: Final answer
x = 74,097.77
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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.