Finding the Fourth Proportional to 87,281.88, 120,448.99 and 47,537.88
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Solution
The fourth proportional to 87,281.88, 120,448.99 and 47,537.88 is: 65,602.27
Step by Step Solution
- Step 1: Write the proportion equation
87,281.88 : 120,448.99 = 47,537.88 : x - Step 2: Convert to fraction form
87,281.88/120,448.99 = 47,537.88/x - Step 3: Cross multiply
87,281.88x = 120,448.99 × 47,537.88 - Step 4: Simplify right side
87,281.88x = 5,725,889,632.74 - Step 5: Solve for x
x = 5,725,889,632.74/87,281.88 - Step 6: Final answer
x = 65,602.27
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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.