Finding the Fourth Proportional to 89,992.08, 124,188.48 and 49,708.44
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Solution
The fourth proportional to 89,992.08, 124,188.48 and 49,708.44 is: 68,597.32
Step by Step Solution
- Step 1: Write the proportion equation
89,992.08 : 124,188.48 = 49,708.44 : x - Step 2: Convert to fraction form
89,992.08/124,188.48 = 49,708.44/x - Step 3: Cross multiply
89,992.08x = 124,188.48 × 49,708.44 - Step 4: Simplify right side
89,992.08x = 6,173,215,606.77 - Step 5: Solve for x
x = 6,173,215,606.77/89,992.08 - Step 6: Final answer
x = 68,597.32
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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.