Finding the Fourth Proportional to 97,340.96, 134,359.26 and 57,063.44
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Solution
The fourth proportional to 97,340.96, 134,359.26 and 57,063.44 is: 78,764.39
Step by Step Solution
- Step 1: Write the proportion equation
97,340.96 : 134,359.26 = 57,063.44 : x - Step 2: Convert to fraction form
97,340.96/134,359.26 = 57,063.44/x - Step 3: Cross multiply
97,340.96x = 134,359.26 × 57,063.44 - Step 4: Simplify right side
97,340.96x = 7,667,001,693.36 - Step 5: Solve for x
x = 7,667,001,693.36/97,340.96 - Step 6: Final answer
x = 78,764.39
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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.