Finding the Fourth Proportional to 97,785.23, 134,950.34 and 54,765.59
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Solution
The fourth proportional to 97,785.23, 134,950.34 and 54,765.59 is: 75,580.28
Step by Step Solution
- Step 1: Write the proportion equation
97,785.23 : 134,950.34 = 54,765.59 : x - Step 2: Convert to fraction form
97,785.23/134,950.34 = 54,765.59/x - Step 3: Cross multiply
97,785.23x = 134,950.34 × 54,765.59 - Step 4: Simplify right side
97,785.23x = 7,390,634,716.97 - Step 5: Solve for x
x = 7,390,634,716.97/97,785.23 - Step 6: Final answer
x = 75,580.28
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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.