Finding the Fourth Proportional to 97,679.35, 134,824.08 and 57,406.09
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Solution
The fourth proportional to 97,679.35, 134,824.08 and 57,406.09 is: 79,236.02
Step by Step Solution
- Step 1: Write the proportion equation
97,679.35 : 134,824.08 = 57,406.09 : x - Step 2: Convert to fraction form
97,679.35/134,824.08 = 57,406.09/x - Step 3: Cross multiply
97,679.35x = 134,824.08 × 57,406.09 - Step 4: Simplify right side
97,679.35x = 7,739,723,270.65 - Step 5: Solve for x
x = 7,739,723,270.65/97,679.35 - Step 6: Final answer
x = 79,236.02
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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.