Finding the Fourth Proportional to 97,126.08, 145,628.82 and 40,937.28
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Solution
The fourth proportional to 97,126.08, 145,628.82 and 40,937.28 is: 61,380.50
Step by Step Solution
- Step 1: Write the proportion equation
97,126.08 : 145,628.82 = 40,937.28 : x - Step 2: Convert to fraction form
97,126.08/145,628.82 = 40,937.28/x - Step 3: Cross multiply
97,126.08x = 145,628.82 × 40,937.28 - Step 4: Simplify right side
97,126.08x = 5,961,647,780.41 - Step 5: Solve for x
x = 5,961,647,780.41/97,126.08 - Step 6: Final answer
x = 61,380.50
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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.