Finding the Fourth Proportional to 87,855.04, 121,235.04 and 52,048.48
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Solution
The fourth proportional to 87,855.04, 121,235.04 and 52,048.48 is: 71,823.99
Step by Step Solution
- Step 1: Write the proportion equation
87,855.04 : 121,235.04 = 52,048.48 : x - Step 2: Convert to fraction form
87,855.04/121,235.04 = 52,048.48/x - Step 3: Cross multiply
87,855.04x = 121,235.04 × 52,048.48 - Step 4: Simplify right side
87,855.04x = 6,310,099,554.74 - Step 5: Solve for x
x = 6,310,099,554.74/87,855.04 - Step 6: Final answer
x = 71,823.99
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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.