Finding the Fourth Proportional to 92,257.62, 138,386.56 and 25,697.94
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Solution
The fourth proportional to 92,257.62, 138,386.56 and 25,697.94 is: 38,546.95
Step by Step Solution
- Step 1: Write the proportion equation
92,257.62 : 138,386.56 = 25,697.94 : x - Step 2: Convert to fraction form
92,257.62/138,386.56 = 25,697.94/x - Step 3: Cross multiply
92,257.62x = 138,386.56 × 25,697.94 - Step 4: Simplify right side
92,257.62x = 3,556,249,515.69 - Step 5: Solve for x
x = 3,556,249,515.69/92,257.62 - Step 6: Final answer
x = 38,546.95
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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.