Finding the Fourth Proportional to 87,024.93, 130,334.98 and 84,630.49
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Solution
The fourth proportional to 87,024.93, 130,334.98 and 84,630.49 is: 126,748.88
Step by Step Solution
- Step 1: Write the proportion equation
87,024.93 : 130,334.98 = 84,630.49 : x - Step 2: Convert to fraction form
87,024.93/130,334.98 = 84,630.49/x - Step 3: Cross multiply
87,024.93x = 130,334.98 × 84,630.49 - Step 4: Simplify right side
87,024.93x = 11,030,313,080.83 - Step 5: Solve for x
x = 11,030,313,080.83/87,024.93 - Step 6: Final answer
x = 126,748.88
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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.