Finding the Fourth Proportional to 93,689.84, 140,555.28 and 27,132.68
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Solution
The fourth proportional to 93,689.84, 140,555.28 and 27,132.68 is: 40,704.96
Step by Step Solution
- Step 1: Write the proportion equation
93,689.84 : 140,555.28 = 27,132.68 : x - Step 2: Convert to fraction form
93,689.84/140,555.28 = 27,132.68/x - Step 3: Cross multiply
93,689.84x = 140,555.28 × 27,132.68 - Step 4: Simplify right side
93,689.84x = 3,813,641,434.55 - Step 5: Solve for x
x = 3,813,641,434.55/93,689.84 - Step 6: Final answer
x = 40,704.96
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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.