Finding the Fourth Proportional to 83,772.08, 125,658.04 and 21,442.48
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Solution
The fourth proportional to 83,772.08, 125,658.04 and 21,442.48 is: 32,163.70
Step by Step Solution
- Step 1: Write the proportion equation
83,772.08 : 125,658.04 = 21,442.48 : x - Step 2: Convert to fraction form
83,772.08/125,658.04 = 21,442.48/x - Step 3: Cross multiply
83,772.08x = 125,658.04 × 21,442.48 - Step 4: Simplify right side
83,772.08x = 2,694,420,009.54 - Step 5: Solve for x
x = 2,694,420,009.54/83,772.08 - Step 6: Final answer
x = 32,163.70
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1.5x scale
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.