Finding the Fourth Proportional to 71,259.95, 106,908.38 and 26,887.09
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Solution
The fourth proportional to 71,259.95, 106,908.38 and 26,887.09 is: 40,337.60
Step by Step Solution
- Step 1: Write the proportion equation
71,259.95 : 106,908.38 = 26,887.09 : x - Step 2: Convert to fraction form
71,259.95/106,908.38 = 26,887.09/x - Step 3: Cross multiply
71,259.95x = 106,908.38 × 26,887.09 - Step 4: Simplify right side
71,259.95x = 2,874,455,234.81 - Step 5: Solve for x
x = 2,874,455,234.81/71,259.95 - Step 6: Final answer
x = 40,337.60
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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.