Finding the Fourth Proportional to 97,642.38, 134,740.11 and 54,614.41
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Solution
The fourth proportional to 97,642.38, 134,740.11 and 54,614.41 is: 75,364.32
Step by Step Solution
- Step 1: Write the proportion equation
97,642.38 : 134,740.11 = 54,614.41 : x - Step 2: Convert to fraction form
97,642.38/134,740.11 = 54,614.41/x - Step 3: Cross multiply
97,642.38x = 134,740.11 × 54,614.41 - Step 4: Simplify right side
97,642.38x = 7,358,751,610.99 - Step 5: Solve for x
x = 7,358,751,610.99/97,642.38 - Step 6: Final answer
x = 75,364.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.