Finding the Fourth Proportional to 76,886.72, 106,107.36 and 43,352
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Solution
The fourth proportional to 76,886.72, 106,107.36 and 43,352 is: 59,827.84
Step by Step Solution
- Step 1: Write the proportion equation
76,886.72 : 106,107.36 = 43,352 : x - Step 2: Convert to fraction form
76,886.72/106,107.36 = 43,352/x - Step 3: Cross multiply
76,886.72x = 106,107.36 × 43,352 - Step 4: Simplify right side
76,886.72x = 4,599,966,270.72 - Step 5: Solve for x
x = 4,599,966,270.72/76,886.72 - Step 6: Final answer
x = 59,827.84
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.