Finding the Fourth Proportional to 84,772.90, 127,163.88 and 25,607.08
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Solution
The fourth proportional to 84,772.90, 127,163.88 and 25,607.08 is: 38,411.99
Step by Step Solution
- Step 1: Write the proportion equation
84,772.90 : 127,163.88 = 25,607.08 : x - Step 2: Convert to fraction form
84,772.90/127,163.88 = 25,607.08/x - Step 3: Cross multiply
84,772.90x = 127,163.88 × 25,607.08 - Step 4: Simplify right side
84,772.90x = 3,256,295,648.27 - Step 5: Solve for x
x = 3,256,295,648.27/84,772.90 - Step 6: Final answer
x = 38,411.99
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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.