Finding the Fourth Proportional to 125,844.35, 173,666.99 and 68,485.42
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Solution
The fourth proportional to 125,844.35, 173,666.99 and 68,485.42 is: 94,510.84
Step by Step Solution
- Step 1: Write the proportion equation
125,844.35 : 173,666.99 = 68,485.42 : x - Step 2: Convert to fraction form
125,844.35/173,666.99 = 68,485.42/x - Step 3: Cross multiply
125,844.35x = 173,666.99 × 68,485.42 - Step 4: Simplify right side
125,844.35x = 11,893,655,539.52 - Step 5: Solve for x
x = 11,893,655,539.52/125,844.35 - Step 6: Final answer
x = 94,510.84
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.