Finding the Fourth Proportional to 83,704.19, 125,558.91 and 30,407.00
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Solution
The fourth proportional to 83,704.19, 125,558.91 and 30,407.00 is: 45,611.45
Step by Step Solution
- Step 1: Write the proportion equation
83,704.19 : 125,558.91 = 30,407.00 : x - Step 2: Convert to fraction form
83,704.19/125,558.91 = 30,407.00/x - Step 3: Cross multiply
83,704.19x = 125,558.91 × 30,407.00 - Step 4: Simplify right side
83,704.19x = 3,817,869,148.58 - Step 5: Solve for x
x = 3,817,869,148.58/83,704.19 - Step 6: Final answer
x = 45,611.45
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.