Finding the Fourth Proportional to 93,156.34, 139,736.80 and 33,991.99
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Solution
The fourth proportional to 93,156.34, 139,736.80 and 33,991.99 is: 50,988.82
Step by Step Solution
- Step 1: Write the proportion equation
93,156.34 : 139,736.80 = 33,991.99 : x - Step 2: Convert to fraction form
93,156.34/139,736.80 = 33,991.99/x - Step 3: Cross multiply
93,156.34x = 139,736.80 × 33,991.99 - Step 4: Simplify right side
93,156.34x = 4,749,931,738.27 - Step 5: Solve for x
x = 4,749,931,738.27/93,156.34 - Step 6: Final answer
x = 50,988.82
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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.