Finding the Fourth Proportional to 97,319.75, 134,301.02 and 54,878.00
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Solution
The fourth proportional to 97,319.75, 134,301.02 and 54,878.00 is: 75,731.50
Step by Step Solution
- Step 1: Write the proportion equation
97,319.75 : 134,301.02 = 54,878.00 : x - Step 2: Convert to fraction form
97,319.75/134,301.02 = 54,878.00/x - Step 3: Cross multiply
97,319.75x = 134,301.02 × 54,878.00 - Step 4: Simplify right side
97,319.75x = 7,370,170,429.66 - Step 5: Solve for x
x = 7,370,170,429.66/97,319.75 - Step 6: Final answer
x = 75,731.50
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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.