Finding the Fourth Proportional to 99,955.12, 149,875.98 and 33,359.08
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Solution
The fourth proportional to 99,955.12, 149,875.98 and 33,359.08 is: 50,019.70
Step by Step Solution
- Step 1: Write the proportion equation
99,955.12 : 149,875.98 = 33,359.08 : x - Step 2: Convert to fraction form
99,955.12/149,875.98 = 33,359.08/x - Step 3: Cross multiply
99,955.12x = 149,875.98 × 33,359.08 - Step 4: Simplify right side
99,955.12x = 4,999,724,806.90 - Step 5: Solve for x
x = 4,999,724,806.90/99,955.12 - Step 6: Final answer
x = 50,019.70
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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.