Finding the Fourth Proportional to 97,121.78, 145,682.70 and 27,001.70
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Solution
The fourth proportional to 97,121.78, 145,682.70 and 27,001.70 is: 40,502.56
Step by Step Solution
- Step 1: Write the proportion equation
97,121.78 : 145,682.70 = 27,001.70 : x - Step 2: Convert to fraction form
97,121.78/145,682.70 = 27,001.70/x - Step 3: Cross multiply
97,121.78x = 145,682.70 × 27,001.70 - Step 4: Simplify right side
97,121.78x = 3,933,680,560.59 - Step 5: Solve for x
x = 3,933,680,560.59/97,121.78 - Step 6: Final answer
x = 40,502.56
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1.5x scale
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.