Finding the Fourth Proportional to 87,964.73, 121,390.01 and 49,722.94
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Solution
The fourth proportional to 87,964.73, 121,390.01 and 49,722.94 is: 68,616.91
Step by Step Solution
- Step 1: Write the proportion equation
87,964.73 : 121,390.01 = 49,722.94 : x - Step 2: Convert to fraction form
87,964.73/121,390.01 = 49,722.94/x - Step 3: Cross multiply
87,964.73x = 121,390.01 × 49,722.94 - Step 4: Simplify right side
87,964.73x = 6,035,867,810.13 - Step 5: Solve for x
x = 6,035,867,810.13/87,964.73 - Step 6: Final answer
x = 68,616.91
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.