Finding the Fourth Proportional to 97,145.76, 145,718.91 and 27,025.14
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Solution
The fourth proportional to 97,145.76, 145,718.91 and 27,025.14 is: 40,537.79
Step by Step Solution
- Step 1: Write the proportion equation
97,145.76 : 145,718.91 = 27,025.14 : x - Step 2: Convert to fraction form
97,145.76/145,718.91 = 27,025.14/x - Step 3: Cross multiply
97,145.76x = 145,718.91 × 27,025.14 - Step 4: Simplify right side
97,145.76x = 3,938,073,943.40 - Step 5: Solve for x
x = 3,938,073,943.40/97,145.76 - Step 6: Final answer
x = 40,537.79
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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.