Finding the Fourth Proportional to 68,319.80, 101,800.50 and 60,866.99
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Solution
The fourth proportional to 68,319.80, 101,800.50 and 60,866.99 is: 90,695.38
Step by Step Solution
- Step 1: Write the proportion equation
68,319.80 : 101,800.50 = 60,866.99 : x - Step 2: Convert to fraction form
68,319.80/101,800.50 = 60,866.99/x - Step 3: Cross multiply
68,319.80x = 101,800.50 × 60,866.99 - Step 4: Simplify right side
68,319.80x = 6,196,289,658.66 - Step 5: Solve for x
x = 6,196,289,658.66/68,319.80 - Step 6: Final answer
x = 90,695.38
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.