Finding the Fourth Proportional to 87,356.06, 131,039.58 and 23,312.99
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Solution
The fourth proportional to 87,356.06, 131,039.58 and 23,312.99 is: 34,970.94
Step by Step Solution
- Step 1: Write the proportion equation
87,356.06 : 131,039.58 = 23,312.99 : x - Step 2: Convert to fraction form
87,356.06/131,039.58 = 23,312.99/x - Step 3: Cross multiply
87,356.06x = 131,039.58 × 23,312.99 - Step 4: Simplify right side
87,356.06x = 3,054,923,762.95 - Step 5: Solve for x
x = 3,054,923,762.95/87,356.06 - Step 6: Final answer
x = 34,970.94
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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.