Finding the Fourth Proportional to 68,952.76, 103,225.02 and 42,572.68
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Solution
The fourth proportional to 68,952.76, 103,225.02 and 42,572.68 is: 63,732.99
Step by Step Solution
- Step 1: Write the proportion equation
68,952.76 : 103,225.02 = 42,572.68 : x - Step 2: Convert to fraction form
68,952.76/103,225.02 = 42,572.68/x - Step 3: Cross multiply
68,952.76x = 103,225.02 × 42,572.68 - Step 4: Simplify right side
68,952.76x = 4,394,565,744.45 - Step 5: Solve for x
x = 4,394,565,744.45/68,952.76 - Step 6: Final answer
x = 63,732.99
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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.