Finding the Fourth Proportional to 99,701.08, 149,625.78 and 47,126.68
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Solution
The fourth proportional to 99,701.08, 149,625.78 and 47,126.68 is: 70,725.07
Step by Step Solution
- Step 1: Write the proportion equation
99,701.08 : 149,625.78 = 47,126.68 : x - Step 2: Convert to fraction form
99,701.08/149,625.78 = 47,126.68/x - Step 3: Cross multiply
99,701.08x = 149,625.78 × 47,126.68 - Step 4: Simplify right side
99,701.08x = 7,051,366,253.81 - Step 5: Solve for x
x = 7,051,366,253.81/99,701.08 - Step 6: Final answer
x = 70,725.07
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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.