Finding the Fourth Proportional to 87,026.04, 130,523.34 and 39,630.12
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Solution
The fourth proportional to 87,026.04, 130,523.34 and 39,630.12 is: 59,438.02
Step by Step Solution
- Step 1: Write the proportion equation
87,026.04 : 130,523.34 = 39,630.12 : x - Step 2: Convert to fraction form
87,026.04/130,523.34 = 39,630.12/x - Step 3: Cross multiply
87,026.04x = 130,523.34 × 39,630.12 - Step 4: Simplify right side
87,026.04x = 5,172,655,627.00 - Step 5: Solve for x
x = 5,172,655,627.00/87,026.04 - Step 6: Final answer
x = 59,438.02
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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.